{"id":2923,"date":"2025-12-05T14:40:21","date_gmt":"2025-12-05T11:40:21","guid":{"rendered":"https:\/\/www.dchost.com\/blog\/dns-kayitlari-nedir-a-aaaa-cname-mx-txt-ve-srv-rehberi\/"},"modified":"2025-12-05T14:40:21","modified_gmt":"2025-12-05T11:40:21","slug":"dns-kayitlari-nedir-a-aaaa-cname-mx-txt-ve-srv-rehberi","status":"publish","type":"post","link":"https:\/\/www.dchost.com\/blog\/dns-kayitlari-nedir-a-aaaa-cname-mx-txt-ve-srv-rehberi\/","title":{"rendered":"DNS Kay\u0131tlar\u0131 Nedir? A, AAAA, CNAME, MX, TXT ve SRV Rehberi"},"content":{"rendered":"<div class=\"dchost-blog-content-wrapper\"><div id=\"toc_container\" class=\"toc_transparent no_bullets\"><p class=\"toc_title\">\u0130&ccedil;indekiler<\/p><ul class=\"toc_list\"><li><a href=\"#DNS_Kayitlari_Nedir_ve_Neden_Onemlidir\"><span class=\"toc_number toc_depth_1\">1<\/span> DNS Kay\u0131tlar\u0131 Nedir ve Neden \u00d6nemlidir?<\/a><\/li><li><a href=\"#DNS_Temelleri_Alan_Adi_Nameserver_ve_TTL_Mantigi\"><span class=\"toc_number toc_depth_1\">2<\/span> DNS Temelleri: Alan Ad\u0131, Nameserver ve TTL Mant\u0131\u011f\u0131<\/a><ul><li><a href=\"#Alan_adi_ile_sunucu_arasindaki_kopru\"><span class=\"toc_number toc_depth_2\">2.1<\/span> Alan ad\u0131 ile sunucu aras\u0131ndaki k\u00f6pr\u00fc<\/a><\/li><li><a href=\"#Nameserver_ve_DNS_zonu_nedir\"><span class=\"toc_number toc_depth_2\">2.2<\/span> Nameserver ve DNS zonu nedir?<\/a><\/li><li><a href=\"#TTL_Time_To_Live_kavrami\"><span class=\"toc_number toc_depth_2\">2.3<\/span> TTL (Time To Live) kavram\u0131<\/a><\/li><\/ul><\/li><li><a href=\"#DNS_Kayit_Turlerine_Genel_Bakis\"><span class=\"toc_number toc_depth_1\">3<\/span> DNS Kay\u0131t T\u00fcrlerine Genel Bak\u0131\u015f<\/a><\/li><li><a href=\"#A_Kaydi_Alan_Adinizi_IPv4_Adresine_Baglamak\"><span class=\"toc_number toc_depth_1\">4<\/span> A Kayd\u0131: Alan Ad\u0131n\u0131z\u0131 IPv4 Adresine Ba\u011flamak<\/a><ul><li><a href=\"#A_kaydi_nedir\"><span class=\"toc_number toc_depth_2\">4.1<\/span> A kayd\u0131 nedir?<\/a><\/li><li><a href=\"#Ne_zaman_A_kaydi_kullanmalisiniz\"><span class=\"toc_number toc_depth_2\">4.2<\/span> Ne zaman A kayd\u0131 kullanmal\u0131s\u0131n\u0131z?<\/a><\/li><li><a href=\"#Adim_adim_A_kaydi_ekleme_ornegi\"><span class=\"toc_number toc_depth_2\">4.3<\/span> Ad\u0131m ad\u0131m A kayd\u0131 ekleme \u00f6rne\u011fi<\/a><\/li><\/ul><\/li><li><a href=\"#AAAA_Kaydi_IPv6_ile_Gelecege_Hazirlanmak\"><span class=\"toc_number toc_depth_1\">5<\/span> AAAA Kayd\u0131: IPv6 ile Gelece\u011fe Haz\u0131rlanmak<\/a><ul><li><a href=\"#AAAA_kaydi_nedir\"><span class=\"toc_number toc_depth_2\">5.1<\/span> AAAA kayd\u0131 nedir?<\/a><\/li><li><a href=\"#IPv4_ve_IPv6_birlikte_kullanilabilir_mi\"><span class=\"toc_number toc_depth_2\">5.2<\/span> IPv4 ve IPv6 birlikte kullan\u0131labilir mi?<\/a><\/li><li><a href=\"#Adim_adim_AAAA_kaydi_ekleme_ornegi\"><span class=\"toc_number toc_depth_2\">5.3<\/span> Ad\u0131m ad\u0131m AAAA kayd\u0131 ekleme \u00f6rne\u011fi<\/a><\/li><\/ul><\/li><li><a href=\"#CNAME_Kaydi_Alt_Alan_Adlarini_Esnek_Sekilde_Yonlendirmek\"><span class=\"toc_number toc_depth_1\">6<\/span> CNAME Kayd\u0131: Alt Alan Adlar\u0131n\u0131 Esnek \u015eekilde Y\u00f6nlendirmek<\/a><ul><li><a href=\"#CNAME_kaydi_nedir\"><span class=\"toc_number toc_depth_2\">6.1<\/span> CNAME kayd\u0131 nedir?<\/a><\/li><li><a href=\"#CNAME_ne_zaman_kullanilir\"><span class=\"toc_number toc_depth_2\">6.2<\/span> CNAME ne zaman kullan\u0131l\u0131r?<\/a><\/li><li><a href=\"#Kok_alan_adinda_CNAME_kullanilamaz\"><span class=\"toc_number toc_depth_2\">6.3<\/span> K\u00f6k alan ad\u0131nda CNAME kullan\u0131lamaz<\/a><\/li><li><a href=\"#Adim_adim_CNAME_kaydi_ekleme_ornegi\"><span class=\"toc_number toc_depth_2\">6.4<\/span> Ad\u0131m ad\u0131m CNAME kayd\u0131 ekleme \u00f6rne\u011fi<\/a><\/li><\/ul><\/li><li><a href=\"#MX_Kaydi_E-Posta_Trafigini_Dogru_Sunucuya_Yonlendirmek\"><span class=\"toc_number toc_depth_1\">7<\/span> MX Kayd\u0131: E-Posta Trafi\u011fini Do\u011fru Sunucuya Y\u00f6nlendirmek<\/a><ul><li><a href=\"#MX_kaydi_nedir\"><span class=\"toc_number toc_depth_2\">7.1<\/span> MX kayd\u0131 nedir?<\/a><\/li><li><a href=\"#E-posta_icin_temel_gereklilikler\"><span class=\"toc_number toc_depth_2\">7.2<\/span> E-posta i\u00e7in temel gereklilikler<\/a><\/li><li><a href=\"#Adim_adim_MX_kaydi_ekleme_ornegi\"><span class=\"toc_number toc_depth_2\">7.3<\/span> Ad\u0131m ad\u0131m MX kayd\u0131 ekleme \u00f6rne\u011fi<\/a><\/li><\/ul><\/li><li><a href=\"#TXT_Kaydi_SPF_Dogrulama_ve_Diger_Metin_Bilgileri\"><span class=\"toc_number toc_depth_1\">8<\/span> TXT Kayd\u0131: SPF, Do\u011frulama ve Di\u011fer Metin Bilgileri<\/a><ul><li><a href=\"#TXT_kaydi_nedir\"><span class=\"toc_number toc_depth_2\">8.1<\/span> TXT kayd\u0131 nedir?<\/a><\/li><li><a href=\"#SPF_icin_ornek_TXT_kaydi\"><span class=\"toc_number toc_depth_2\">8.2<\/span> SPF i\u00e7in \u00f6rnek TXT kayd\u0131<\/a><\/li><li><a href=\"#Adim_adim_TXT_kaydi_ekleme_ornegi\"><span class=\"toc_number toc_depth_2\">8.3<\/span> Ad\u0131m ad\u0131m TXT kayd\u0131 ekleme \u00f6rne\u011fi<\/a><\/li><\/ul><\/li><li><a href=\"#SRV_Kaydi_Ozel_Servisler_icin_DNS_Rehberi\"><span class=\"toc_number toc_depth_1\">9<\/span> SRV Kayd\u0131: \u00d6zel Servisler i\u00e7in DNS Rehberi<\/a><ul><li><a href=\"#SRV_kaydi_nedir\"><span class=\"toc_number toc_depth_2\">9.1<\/span> SRV kayd\u0131 nedir?<\/a><\/li><li><a href=\"#SRV_kaydi_kullanilan_tipik_senaryolar\"><span class=\"toc_number toc_depth_2\">9.2<\/span> SRV kayd\u0131 kullan\u0131lan tipik senaryolar<\/a><\/li><li><a href=\"#Adim_adim_SRV_kaydi_ekleme_ornegi\"><span class=\"toc_number toc_depth_2\">9.3<\/span> Ad\u0131m ad\u0131m SRV kayd\u0131 ekleme \u00f6rne\u011fi<\/a><\/li><\/ul><\/li><li><a href=\"#Adim_Adim_DNS_Yonetimi_Yeni_Bir_Alan_Adini_Yayina_Almak\"><span class=\"toc_number toc_depth_1\">10<\/span> Ad\u0131m Ad\u0131m DNS Y\u00f6netimi: Yeni Bir Alan Ad\u0131n\u0131 Yay\u0131na Almak<\/a><ul><li><a href=\"#1_Nameserverlari_dogru_ayarlayin\"><span class=\"toc_number toc_depth_2\">10.1<\/span> 1. Nameserver\u2019lar\u0131 do\u011fru ayarlay\u0131n<\/a><\/li><li><a href=\"#2_Web_sitesi_icin_A_ve_gerekirse_AAAA_kayitlarini_ekleyin\"><span class=\"toc_number toc_depth_2\">10.2<\/span> 2. Web sitesi i\u00e7in A ve gerekirse AAAA kay\u0131tlar\u0131n\u0131 ekleyin<\/a><\/li><li><a href=\"#3_E-posta_altyapisi_icin_MX_ve_temel_TXT_kayitlarini_ayarlayin\"><span class=\"toc_number toc_depth_2\">10.3<\/span> 3. E-posta altyap\u0131s\u0131 i\u00e7in MX ve temel TXT kay\u0131tlar\u0131n\u0131 ayarlay\u0131n<\/a><\/li><li><a href=\"#4_SSLTLS_icin_hazirlik_yapin\"><span class=\"toc_number toc_depth_2\">10.4<\/span> 4. SSL\/TLS i\u00e7in haz\u0131rl\u0131k yap\u0131n<\/a><\/li><li><a href=\"#5_Guvenlik_icin_DNSSEC_ve_ilgili_ayarlari_planlayin\"><span class=\"toc_number toc_depth_2\">10.5<\/span> 5. G\u00fcvenlik i\u00e7in DNSSEC ve ilgili ayarlar\u0131 planlay\u0131n<\/a><\/li><li><a href=\"#6_Yaygin_hatalari_yakalamak_icin_son_kontrol\"><span class=\"toc_number toc_depth_2\">10.6<\/span> 6. Yayg\u0131n hatalar\u0131 yakalamak i\u00e7in son kontrol<\/a><\/li><\/ul><\/li><li><a href=\"#Yaygin_DNS_Hatalari_ve_Nasil_Kacinirsiniz\"><span class=\"toc_number toc_depth_1\">11<\/span> Yayg\u0131n DNS Hatalar\u0131 ve Nas\u0131l Ka\u00e7\u0131n\u0131rs\u0131n\u0131z?<\/a><ul><li><a href=\"#Yanlis_IP_adresi_veya_eski_sunucuya_isaret_eden_A_kaydi\"><span class=\"toc_number toc_depth_2\">11.1<\/span> Yanl\u0131\u015f IP adresi veya eski sunucuya i\u015faret eden A kayd\u0131<\/a><\/li><li><a href=\"#Cok_uzun_TTL_ile_yapilan_ani_degisiklikler\"><span class=\"toc_number toc_depth_2\">11.2<\/span> \u00c7ok uzun TTL ile yap\u0131lan ani de\u011fi\u015fiklikler<\/a><\/li><li><a href=\"#Kok_alan_adinda_CNAME_kullanmak\"><span class=\"toc_number toc_depth_2\">11.3<\/span> K\u00f6k alan ad\u0131nda CNAME kullanmak<\/a><\/li><li><a href=\"#E-posta_icin_MX_var_ama_A_kaydi_yok\"><span class=\"toc_number toc_depth_2\">11.4<\/span> E-posta i\u00e7in MX var ama A kayd\u0131 yok<\/a><\/li><li><a href=\"#SPF_DKIM_ve_DMARC_uyumsuzluklari\"><span class=\"toc_number toc_depth_2\">11.5<\/span> SPF, DKIM ve DMARC uyumsuzluklar\u0131<\/a><\/li><\/ul><\/li><li><a href=\"#Ozet_ve_DCHost_ile_Saglam_DNS_Altyapisi_Kurmak\"><span class=\"toc_number toc_depth_1\">12<\/span> \u00d6zet ve DCHost ile Sa\u011flam DNS Altyap\u0131s\u0131 Kurmak<\/a><\/li><\/ul><\/div>\n<h2><span id=\"DNS_Kayitlari_Nedir_ve_Neden_Onemlidir\">DNS Kay\u0131tlar\u0131 Nedir ve Neden \u00d6nemlidir?<\/span><\/h2>\n<p>Bir alan ad\u0131 sat\u0131n al\u0131p DCHost \u00fczerindeki hosting veya <a href=\"https:\/\/www.dchost.com\/tr\/vps\">VPS<\/a> paketinizde web sitenizi haz\u0131rlad\u0131\u011f\u0131n\u0131zda, s\u0131ra o alan ad\u0131n\u0131 do\u011fru sunucuya y\u00f6nlendirmeye gelir. \u0130\u015fte tam bu noktada <strong>DNS kay\u0131tlar\u0131<\/strong> devreye girer. DNS, kabaca internetin telefon rehberi; DNS kay\u0131tlar\u0131 ise bu rehberdeki sat\u0131rlard\u0131r. Her kay\u0131t, \u201cbu alan ad\u0131 \u015fu IP adresine gitsin\u201d, \u201ce-posta trafi\u011fi \u015fu sunucuya gitsin\u201d gibi net talimatlar i\u00e7erir.<\/p>\n<p>DNS\u2019i bilmeden de temel bir web sitesi yay\u0131na alabilirsiniz, ama b\u00fcy\u00fcd\u00fck\u00e7e i\u015fler kar\u0131\u015fmaya ba\u015flar: alt alan adlar\u0131, e-posta altyap\u0131s\u0131, \u00fc\u00e7\u00fcnc\u00fc parti servisler, IPv6 ge\u00e7i\u015fi\u2026 Bunlar\u0131n hepsi A, AAAA, CNAME, MX, TXT ve SRV gibi farkl\u0131 <strong>DNS kay\u0131t t\u00fcrleri<\/strong> ile y\u00f6netilir. Yanl\u0131\u015f bir kay\u0131t ya da tek bir harf hatas\u0131; sitenizin a\u00e7\u0131lmamas\u0131na, e-postalar\u0131n\u0131z\u0131n geri d\u00f6nmesine veya g\u00fcvenlik uyar\u0131lar\u0131na yol a\u00e7abilir.<\/p>\n<p>Bu rehberde, DCHost ekibinin g\u00fcnl\u00fck hayatta en s\u0131k g\u00f6rd\u00fc\u011f\u00fc ve kullan\u0131c\u0131lar\u0131n en \u00e7ok zorland\u0131\u011f\u0131 kay\u0131t t\u00fcrlerini tek tek ele alaca\u011f\u0131z. Amac\u0131m\u0131z; karma\u015f\u0131k terimleri sadele\u015ftirip, somut \u00f6rneklerle ve ad\u0131m ad\u0131m ilerleyerek \u201cDNS paneline bakt\u0131\u011f\u0131n\u0131zda neye, neden dokunuyorsunuz?\u201d sorusunu netle\u015ftirmek. Makaleyi bitirdi\u011finizde, kendi alan ad\u0131n\u0131z\u0131n DNS b\u00f6lgesini rahatl\u0131kla okuyup y\u00f6netebilecek ve hangi senaryoda hangi kayd\u0131 kullanaca\u011f\u0131n\u0131z\u0131 pratik olarak biliyor olacaks\u0131n\u0131z.<\/p>\n<h2><span id=\"DNS_Temelleri_Alan_Adi_Nameserver_ve_TTL_Mantigi\">DNS Temelleri: Alan Ad\u0131, Nameserver ve TTL Mant\u0131\u011f\u0131<\/span><\/h2>\n<h3><span id=\"Alan_adi_ile_sunucu_arasindaki_kopru\">Alan ad\u0131 ile sunucu aras\u0131ndaki k\u00f6pr\u00fc<\/span><\/h3>\n<p>Bir ziyaret\u00e7i taray\u0131c\u0131ya <strong>alanadiniz.com<\/strong> yazd\u0131\u011f\u0131nda, taray\u0131c\u0131 do\u011frudan sizin sunucunuzun IP adresini bilmez. \u00d6nce DNS sunucular\u0131na sorar: \u201cBu alan ad\u0131n\u0131n IP adresi ne?\u201d DNS sunucular\u0131 da alan ad\u0131n\u0131z i\u00e7in tan\u0131ml\u0131 kay\u0131tlar\u0131 okuyarak yan\u0131t verir. Bu kay\u0131tlar, genellikle domaini ald\u0131\u011f\u0131n\u0131z yerin veya hosting sa\u011flay\u0131c\u0131n\u0131z\u0131n sundu\u011fu <strong>nameserver<\/strong> (ad sunucusu) \u00fczerinde tutulur.<\/p>\n<h3><span id=\"Nameserver_ve_DNS_zonu_nedir\">Nameserver ve DNS zonu nedir?<\/span><\/h3>\n<p><strong>Nameserver<\/strong>, alan ad\u0131n\u0131z\u0131n DNS kay\u0131tlar\u0131n\u0131n sakland\u0131\u011f\u0131 ve d\u0131\u015f d\u00fcnyaya servis edildi\u011fi sunucudur. \u00d6rne\u011fin alan ad\u0131n\u0131z\u0131 DCHost \u00fczerinden al\u0131p yine DCHost \u00fczerinde bar\u0131nd\u0131r\u0131yorsan\u0131z, genellikle bizim sa\u011flad\u0131\u011f\u0131m\u0131z nameserver adreslerini kullan\u0131rs\u0131n\u0131z ve t\u00fcm DNS kay\u0131tlar\u0131n\u0131z\u0131 DCHost m\u00fc\u015fteri paneli \u00fczerinden y\u00f6netirsiniz.<\/p>\n<p>Her alan ad\u0131n\u0131n nameserver \u00fczerinde bir <strong>DNS zon dosyas\u0131<\/strong> (zone file) bulunur. Bu dosyada A, AAAA, CNAME, MX, TXT, SRV gibi kay\u0131tlar sat\u0131r sat\u0131r yer al\u0131r. Siz panelde \u201cyeni DNS kayd\u0131 ekle\u201d dedi\u011finizde, asl\u0131nda bu zon dosyas\u0131na yeni bir sat\u0131r eklemi\u015f olursunuz.<\/p>\n<p>Nameserver se\u00e7imi konusunda daha geli\u015fmi\u015f stratejiler merak ediyorsan\u0131z, <a href=\"https:\/\/www.dchost.com\/blog\/cloudflare-dns-mi-hosting-dnsi-mi-en-dogru-nameserver-stratejisi\/\">Cloudflare DNS mi, hosting DNS\u2019i mi sorusunu ayr\u0131nt\u0131l\u0131 inceledi\u011fimiz rehbere<\/a> de g\u00f6z atabilirsiniz.<\/p>\n<h3><span id=\"TTL_Time_To_Live_kavrami\">TTL (Time To Live) kavram\u0131<\/span><\/h3>\n<p>Her DNS kayd\u0131n\u0131n bir de <strong>TTL<\/strong> de\u011feri vard\u0131r. TTL, saniye cinsinden, \u201cbu bilgiyi \u00f6nbelle\u011finde ne kadar s\u00fcre saklayabilirsin?\u201d diyen s\u00fcredir. \u00d6rne\u011fin:<\/p>\n<ul>\n<li><strong>TTL = 300<\/strong> \u2192 5 dakika<\/li>\n<li><strong>TTL = 3600<\/strong> \u2192 1 saat<\/li>\n<li><strong>TTL = 86400<\/strong> \u2192 1 g\u00fcn<\/li>\n<\/ul>\n<p>D\u00fc\u015f\u00fck TTL, de\u011fi\u015fikliklerinizin daha h\u0131zl\u0131 yay\u0131lmas\u0131n\u0131 sa\u011flar; ancak DNS sorgu say\u0131s\u0131n\u0131 biraz art\u0131rabilir. Y\u00fcksek TTL ise daha az DNS sorgusu ve daha stabil \u00f6nbellek anlam\u0131na gelir, ama de\u011fi\u015fiklikler daha ge\u00e7 etkili olur. \u00d6zellikle site veya sunucu ta\u015f\u0131ma d\u00f6nemlerinde TTL\u2019i nas\u0131l y\u00f6netece\u011finiz \u00e7ok kritiktir. Bu konuda detayl\u0131 bir strateji isterseniz, <a href=\"https:\/\/www.dchost.com\/blog\/zero-downtime-tasima-icin-ttl-stratejileri-dns-yayilimini-gercekten-nasil-hizlandirirsin\/\">s\u0131f\u0131r kesintiyle ta\u015f\u0131ma i\u00e7in TTL stratejileri rehberimize<\/a> mutlaka g\u00f6z at\u0131n.<\/p>\n<h2><span id=\"DNS_Kayit_Turlerine_Genel_Bakis\">DNS Kay\u0131t T\u00fcrlerine Genel Bak\u0131\u015f<\/span><\/h2>\n<p>Bu makalede odaklanaca\u011f\u0131m\u0131z temel kay\u0131t t\u00fcrleri \u015funlar:<\/p>\n<ul>\n<li><strong>A<\/strong> \u2192 Alan ad\u0131n\u0131 bir <strong>IPv4 adresine<\/strong> y\u00f6nlendirir.<\/li>\n<li><strong>AAAA<\/strong> \u2192 Alan ad\u0131n\u0131 bir <strong>IPv6 adresine<\/strong> y\u00f6nlendirir.<\/li>\n<li><strong>CNAME<\/strong> \u2192 Bir alan ad\u0131n\u0131 ba\u015fka bir alan ad\u0131na <strong>takma ad<\/strong> olarak y\u00f6nlendirir.<\/li>\n<li><strong>MX<\/strong> \u2192 E-posta trafi\u011finin gidece\u011fi <strong>posta sunucular\u0131n\u0131<\/strong> tan\u0131mlar.<\/li>\n<li><strong>TXT<\/strong> \u2192 SPF, do\u011frulama kay\u0131tlar\u0131 ve di\u011fer serbest metin bilgiler i\u00e7in kullan\u0131l\u0131r.<\/li>\n<li><strong>SRV<\/strong> \u2192 Belirli servisler i\u00e7in <strong>port ve hedef sunucu<\/strong> bilgisini tan\u0131mlar (SIP, XMPP, baz\u0131 oyun sunucular\u0131 gibi).<\/li>\n<\/ul>\n<p>\u015eimdi bu kay\u0131tlar\u0131n her birini detayl\u0131 \u015fekilde, ger\u00e7ek\u00e7i senaryolar ve panel \u00fczerinde ataca\u011f\u0131n\u0131z ad\u0131mlarla birlikte inceleyelim.<\/p>\n<h2><span id=\"A_Kaydi_Alan_Adinizi_IPv4_Adresine_Baglamak\">A Kayd\u0131: Alan Ad\u0131n\u0131z\u0131 IPv4 Adresine Ba\u011flamak<\/span><\/h2>\n<h3><span id=\"A_kaydi_nedir\">A kayd\u0131 nedir?<\/span><\/h3>\n<p><strong>A (Address) kayd\u0131<\/strong>, bir alan ad\u0131n\u0131 do\u011frudan bir <strong>IPv4 adresine<\/strong> ba\u011flar. \u00d6rne\u011fin:<\/p>\n<pre>alanadiniz.com.   3600   IN   A   203.0.113.10<\/pre>\n<p>Bu sat\u0131r\u0131n anlam\u0131: \u201calanadiniz.com i\u00e7in 1 saat (3600 saniye) boyunca ge\u00e7erli IP adresi 203.0.113.10\u2019dur.\u201d Taray\u0131c\u0131lar, alan ad\u0131n\u0131z\u0131 \u00e7\u00f6z\u00fcmlerken \u00f6nce bu A kayd\u0131na bakar ve ard\u0131ndan o IP\u2019deki sunucunuza HTTP\/HTTPS iste\u011fi g\u00f6nderir.<\/p>\n<h3><span id=\"Ne_zaman_A_kaydi_kullanmalisiniz\">Ne zaman A kayd\u0131 kullanmal\u0131s\u0131n\u0131z?<\/span><\/h3>\n<p>A kayd\u0131 tipik olarak \u015fu durumlarda kullan\u0131l\u0131r:<\/p>\n<ul>\n<li>Alan ad\u0131n\u0131z\u0131 DCHost \u00fczerindeki <strong>payla\u015f\u0131ml\u0131 hosting<\/strong> hesab\u0131n\u0131za y\u00f6nlendirmek istedi\u011finizde.<\/li>\n<li>DCHost\u2019ta kiralad\u0131\u011f\u0131n\u0131z bir <strong>VPS<\/strong> veya <strong>dedicated sunucu<\/strong>ya do\u011frudan IP \u00fczerinden eri\u015fim vermek istedi\u011finizde.<\/li>\n<li>\u00d6zel bir servisi (\u00f6rne\u011fin API, panel, y\u00f6netim aray\u00fcz\u00fc) bir alt alan ad\u0131na ba\u011flad\u0131\u011f\u0131n\u0131zda: <strong>api.alanadiniz.com<\/strong>, <strong>panel.alanadiniz.com<\/strong> gibi.<\/li>\n<\/ul>\n<h3><span id=\"Adim_adim_A_kaydi_ekleme_ornegi\">Ad\u0131m ad\u0131m A kayd\u0131 ekleme \u00f6rne\u011fi<\/span><\/h3>\n<p>Senaryo: DCHost \u00fczerinde bir hosting paketiniz var ve <strong>alanadiniz.com<\/strong> i\u00e7in bize verilen IP adresi <strong>203.0.113.10<\/strong>. DNS taraf\u0131nda basit bir A kayd\u0131 ekleyelim.<\/p>\n<ol>\n<li>DCHost m\u00fc\u015fteri paneline giri\u015f yap\u0131n.<\/li>\n<li><strong>Domainler<\/strong> veya <strong>DNS Y\u00f6netimi<\/strong> b\u00f6l\u00fcm\u00fcnden ilgili alan ad\u0131n\u0131 se\u00e7in.<\/li>\n<li><strong>Yeni DNS Kayd\u0131 Ekle<\/strong> veya benzeri butona t\u0131klay\u0131n.<\/li>\n<li><strong>Kay\u0131t T\u00fcr\u00fc<\/strong> olarak <strong>A<\/strong> se\u00e7in.<\/li>\n<li><strong>\u0130sim \/ Host<\/strong> alan\u0131na:\n<ul>\n<li>Sadece k\u00f6k alan ad\u0131 i\u00e7in genelde <strong>@<\/strong> veya bo\u015f b\u0131rak\u0131l\u0131r (panelinize g\u00f6re de\u011fi\u015fir).<\/li>\n<\/ul>\n<\/li>\n<li><strong>IP Adresi<\/strong> alan\u0131na <strong>203.0.113.10<\/strong> yaz\u0131n.<\/li>\n<li><strong>TTL<\/strong> alan\u0131n\u0131 \u00f6rne\u011fin <strong>3600<\/strong> (1 saat) yapabilirsiniz.<\/li>\n<li>Kayd\u0131 kaydedin ve birka\u00e7 dakika i\u00e7inde alanadiniz.com\u2019un do\u011fru IP\u2019ye \u00e7\u00f6z\u00fcld\u00fc\u011f\u00fcn\u00fc test edin.<\/li>\n<\/ol>\n<p>Test i\u00e7in <code>ping alanadiniz.com<\/code> komutu veya online DNS kontrol ara\u00e7lar\u0131 kullanabilirsiniz.<\/p>\n<h2><span id=\"AAAA_Kaydi_IPv6_ile_Gelecege_Hazirlanmak\">AAAA Kayd\u0131: IPv6 ile Gelece\u011fe Haz\u0131rlanmak<\/span><\/h2>\n<h3><span id=\"AAAA_kaydi_nedir\">AAAA kayd\u0131 nedir?<\/span><\/h3>\n<p><strong>AAAA kayd\u0131<\/strong>, A kayd\u0131n\u0131n IPv6 versiyonudur. Alan ad\u0131n\u0131z\u0131 bir <strong>IPv6 adresine<\/strong> ba\u011flar. \u00d6rne\u011fin:<\/p>\n<pre>alanadiniz.com.   3600   IN   AAAA   2001:db8::10<\/pre>\n<p>Bu kay\u0131t, \u201calanadiniz.com i\u00e7in IPv6 adresi 2001:db8::10\u2019dur\u201d anlam\u0131na gelir. G\u00fcn\u00fcm\u00fczde bir\u00e7ok ISP ve mobil operat\u00f6r, IPv6 \u00fczerinden eri\u015fim sunuyor; dolay\u0131s\u0131yla AAAA kayd\u0131 ile sitenizi IPv6 kullan\u0131c\u0131lar\u0131na da do\u011frudan ve performansl\u0131 sunabilirsiniz.<\/p>\n<h3><span id=\"IPv4_ve_IPv6_birlikte_kullanilabilir_mi\">IPv4 ve IPv6 birlikte kullan\u0131labilir mi?<\/span><\/h3>\n<p>Evet. \u00c7o\u011fu \u00fcretim ortam\u0131nda ayn\u0131 alan ad\u0131 i\u00e7in hem <strong>A<\/strong> hem de <strong>AAAA<\/strong> kay\u0131tlar\u0131 bulunur. Ziyaret\u00e7inin a\u011f\u0131 IPv6 destekliyorsa, taray\u0131c\u0131 genellikle \u00f6nce AAAA kayd\u0131n\u0131 kullan\u0131r; desteklemiyorsa A kayd\u0131na d\u00fc\u015fer. Bu hibrit yap\u0131, <strong>IPv4 t\u00fckenmesi<\/strong> ger\u00e7e\u011fiyle y\u00fczle\u015firken kademeli ge\u00e7i\u015fe imk\u00e2n tan\u0131r.<\/p>\n<p>IPv6 planlar\u0131n\u0131z\u0131 yaparken, <a href=\"https:\/\/www.dchost.com\/blog\/ipv6-beninseme-hizlaniyor-gecis-surecini-adim-adim-planlamak\/\">IPv6 ge\u00e7i\u015fini ad\u0131m ad\u0131m anlatt\u0131\u011f\u0131m\u0131z rehbere<\/a> ve <a href=\"https:\/\/www.dchost.com\/blog\/vps-sunucunuzda-ipv6-kurulum-ve-yapilandirma-rehberi-2\/\">VPS \u00fczerinde IPv6 kurulum rehberimize<\/a> de g\u00f6z atabilirsiniz.<\/p>\n<h3><span id=\"Adim_adim_AAAA_kaydi_ekleme_ornegi\">Ad\u0131m ad\u0131m AAAA kayd\u0131 ekleme \u00f6rne\u011fi<\/span><\/h3>\n<p>Senaryo: DCHost\u2019ta IPv6 destekli bir VPS\u2019iniz var ve size atanan IPv6 adresi <strong>2001:db8::10<\/strong>.<\/p>\n<ol>\n<li>DCHost m\u00fc\u015fteri panelinde alan ad\u0131n\u0131z\u0131n DNS y\u00f6netimine girin.<\/li>\n<li><strong>Yeni DNS Kayd\u0131 Ekle<\/strong> deyin ve t\u00fcr olarak <strong>AAAA<\/strong> se\u00e7in.<\/li>\n<li><strong>\u0130sim \/ Host<\/strong> alan\u0131n\u0131 k\u00f6k alan ad\u0131 i\u00e7in <strong>@<\/strong> olarak b\u0131rak\u0131n.<\/li>\n<li><strong>IPv6 Adresi<\/strong> alan\u0131na <strong>2001:db8::10<\/strong> yaz\u0131n.<\/li>\n<li>TTL\u2019i \u00f6rne\u011fin <strong>3600<\/strong> olarak belirleyin.<\/li>\n<li>Kaydedip, global bir IPv6 test arac\u0131yla \u00e7\u00f6z\u00fcmlemenin do\u011fru oldu\u011fundan emin olun.<\/li>\n<\/ol>\n<h2><span id=\"CNAME_Kaydi_Alt_Alan_Adlarini_Esnek_Sekilde_Yonlendirmek\">CNAME Kayd\u0131: Alt Alan Adlar\u0131n\u0131 Esnek \u015eekilde Y\u00f6nlendirmek<\/span><\/h2>\n<h3><span id=\"CNAME_kaydi_nedir\">CNAME kayd\u0131 nedir?<\/span><\/h3>\n<p><strong>CNAME (Canonical Name)<\/strong>, bir alan ad\u0131n\u0131 ba\u015fka bir alan ad\u0131na <strong>takma ad<\/strong> olarak tan\u0131mlar. \u00d6rne\u011fin:<\/p>\n<pre>www.alanadiniz.com.   3600   IN   CNAME   alanadiniz.com.<\/pre>\n<p>Bu, \u201cwww.alanadiniz.com, alanadiniz.com\u2019un takma ad\u0131d\u0131r, t\u00fcm trafi\u011fi oraya y\u00f6nlendir\u201d demektir. Taray\u0131c\u0131 \u00f6nce CNAME\u2019i takip eder, ard\u0131ndan hedef alan ad\u0131n\u0131n A\/AAAA kay\u0131tlar\u0131n\u0131 \u00e7\u00f6zer.<\/p>\n<h3><span id=\"CNAME_ne_zaman_kullanilir\">CNAME ne zaman kullan\u0131l\u0131r?<\/span><\/h3>\n<ul>\n<li><strong>www<\/strong> alt alan ad\u0131n\u0131 k\u00f6k alan ad\u0131n\u0131za y\u00f6nlendirmek i\u00e7in.<\/li>\n<li>Blog, ma\u011faza, panel gibi alt alan adlar\u0131n\u0131 ba\u015fka bir servis sa\u011flay\u0131c\u0131ya veya farkl\u0131 bir alan ad\u0131na y\u00f6nlendirmek i\u00e7in.<\/li>\n<li>\u00dc\u00e7\u00fcnc\u00fc parti servislerin (\u00f6rne\u011fin e-posta pazarlama arac\u0131, takip sistemleri vb.) istedi\u011fi \u00f6zel alt alan adlar\u0131n\u0131 tan\u0131mlamak i\u00e7in.<\/li>\n<\/ul>\n<h3><span id=\"Kok_alan_adinda_CNAME_kullanilamaz\">K\u00f6k alan ad\u0131nda CNAME kullan\u0131lamaz<\/span><\/h3>\n<p>\u00d6nemli bir kural: <strong>k\u00f6k alan ad\u0131nda (alanadiniz.com)<\/strong> CNAME kullan\u0131lamaz. \u00c7\u00fcnk\u00fc k\u00f6k alan ad\u0131 i\u00e7in SOA, NS gibi ba\u015fka hayati kay\u0131tlar da ayn\u0131 zon i\u00e7inde bulunur ve CNAME bu kay\u0131tlarla birlikte tan\u0131mlanamaz. Bu konuya mizahi bir dille de\u011findi\u011fimiz <a href=\"https:\/\/www.dchost.com\/blog\/bir-domain-bir-kahve-ve-kokte-cname-dilegi\/\">\u201ck\u00f6kte CNAME\u201d yaz\u0131m\u0131z\u0131<\/a> okursan\u0131z, bu kural haf\u0131zan\u0131za kaz\u0131nacakt\u0131r.<\/p>\n<h3><span id=\"Adim_adim_CNAME_kaydi_ekleme_ornegi\">Ad\u0131m ad\u0131m CNAME kayd\u0131 ekleme \u00f6rne\u011fi<\/span><\/h3>\n<p>Senaryo: <strong>www.alanadiniz.com<\/strong> adresinin, <strong>alanadiniz.com<\/strong> ile ayn\u0131 yere gitmesini istiyorsunuz.<\/p>\n<ol>\n<li>DCHost DNS y\u00f6netim paneline girin.<\/li>\n<li><strong>Yeni DNS Kayd\u0131<\/strong> ekleyin, t\u00fcr\u00fc <strong>CNAME<\/strong> se\u00e7in.<\/li>\n<li><strong>\u0130sim \/ Host<\/strong> alan\u0131na <strong>www<\/strong> yaz\u0131n.<\/li>\n<li><strong>Hedef \/ Target<\/strong> alan\u0131na <strong>alanadiniz.com.<\/strong> yaz\u0131n (sondaki nokta baz\u0131 panellerde zorunlu, baz\u0131lar\u0131nda opsiyoneldir).<\/li>\n<li>TTL\u2019i belirleyin (\u00f6rne\u011fin 3600).<\/li>\n<li>Kaydedin ve <strong>www.alanadiniz.com<\/strong> \u00fczerinden sitenizin a\u00e7\u0131ld\u0131\u011f\u0131n\u0131 do\u011frulay\u0131n.<\/li>\n<\/ol>\n<h2><span id=\"MX_Kaydi_E-Posta_Trafigini_Dogru_Sunucuya_Yonlendirmek\">MX Kayd\u0131: E-Posta Trafi\u011fini Do\u011fru Sunucuya Y\u00f6nlendirmek<\/span><\/h2>\n<h3><span id=\"MX_kaydi_nedir\">MX kayd\u0131 nedir?<\/span><\/h3>\n<p><strong>MX (Mail Exchanger)<\/strong> kayd\u0131, \u201cbu alan ad\u0131na gelen e-postalar\u0131 hangi posta sunucular\u0131 teslim alacak?\u201d sorusunun cevab\u0131d\u0131r. \u00d6rne\u011fin:<\/p>\n<pre>alanadiniz.com.   3600   IN   MX   10 mail1.alanadiniz.com.\nalanadiniz.com.   3600   IN   MX   20 mail2.alanadiniz.com.<\/pre>\n<p>Burada, <strong>10<\/strong> ve <strong>20<\/strong> rakamlar\u0131 <strong>\u00f6ncelik<\/strong> de\u011ferleridir (priority). MTA (g\u00f6nderici posta sunucusu) \u00f6nce en d\u00fc\u015f\u00fck say\u0131ya sahip olan MX kayd\u0131na ba\u011flanmaya \u00e7al\u0131\u015f\u0131r; ba\u015far\u0131s\u0131z olursa s\u0131radakine ge\u00e7er. B\u00f6ylece yedekli e-posta altyap\u0131s\u0131 kurabilirsiniz.<\/p>\n<h3><span id=\"E-posta_icin_temel_gereklilikler\">E-posta i\u00e7in temel gereklilikler<\/span><\/h3>\n<p>Sadece MX kayd\u0131 olu\u015fturmak yetmez; MX kay\u0131tlar\u0131n\u0131z\u0131n i\u015faret etti\u011fi <strong>mail sunucular\u0131n\u0131n da A veya AAAA kay\u0131tlar\u0131n\u0131n<\/strong> olmas\u0131 gerekir. \u00d6rne\u011fin yukar\u0131daki senaryoda:<\/p>\n<pre>mail1.alanadiniz.com.  3600  IN  A   203.0.113.20\nmail2.alanadiniz.com.  3600  IN  A   203.0.113.21<\/pre>\n<p>Ayr\u0131ca SPF, DKIM ve DMARC gibi <strong>TXT tabanl\u0131 do\u011frulama kay\u0131tlar\u0131<\/strong> da e-posta teslim edilebilirli\u011fi i\u00e7in kritik \u00f6nemdedir. Bu konuyu detayl\u0131 anlatan <a href=\"https:\/\/www.dchost.com\/blog\/spf-dkim-ve-dmarc-nedir-ozel-alan-adi-ile-e-posta-dogrulamasini-cpanel-ve-vpste-sifirdan-kurmak\/\">SPF, DKIM ve DMARC rehberimize<\/a> mutlaka bakman\u0131z\u0131 \u00f6neririz.<\/p>\n<h3><span id=\"Adim_adim_MX_kaydi_ekleme_ornegi\">Ad\u0131m ad\u0131m MX kayd\u0131 ekleme \u00f6rne\u011fi<\/span><\/h3>\n<p>Senaryo: DCHost \u00fczerinde e-posta bar\u0131nd\u0131rma kullan\u0131yorsunuz ve size verilen posta sunucusu ad\u0131 <strong>mail.alanadiniz.com<\/strong>.<\/p>\n<ol>\n<li>\u00d6nce <strong>mail.alanadiniz.com<\/strong> i\u00e7in bir A kayd\u0131 olu\u015fturun:\n<ul>\n<li>T\u00fcr: A<\/li>\n<li>\u0130sim \/ Host: <strong>mail<\/strong><\/li>\n<li>IP Adresi: \u00d6rne\u011fin <strong>203.0.113.30<\/strong><\/li>\n<\/ul>\n<\/li>\n<li>Ard\u0131ndan alan ad\u0131n\u0131z i\u00e7in MX kayd\u0131 ekleyin:\n<ul>\n<li>T\u00fcr: MX<\/li>\n<li>\u0130sim \/ Host: k\u00f6k alan ad\u0131 i\u00e7in genelde <strong>@<\/strong><\/li>\n<li>Priority \/ \u00d6ncelik: <strong>10<\/strong><\/li>\n<li>Hedef: <strong>mail.alanadiniz.com.<\/strong><\/li>\n<\/ul>\n<\/li>\n<li>TTL\u2019i belirleyin (\u00f6rne\u011fin 3600).<\/li>\n<li>Kay\u0131tlar\u0131 kaydedin ve test i\u00e7in alan ad\u0131n\u0131za g\u00f6nderilen bir e-postan\u0131n ba\u015far\u0131l\u0131 \u015fekilde ula\u015ft\u0131\u011f\u0131n\u0131 do\u011frulay\u0131n.<\/li>\n<\/ol>\n<p>Daha karma\u015f\u0131k yap\u0131larda (yedek MX, birden fazla servis, split delivery) i\u00e7in <a href=\"https:\/\/www.dchost.com\/blog\/e-posta-altyapisinda-yedeklilik-birden-fazla-mx-kaydi-backup-mx-ve-split-delivery-kurulumu\/\">e-posta altyap\u0131s\u0131nda yedeklilik rehberimizi<\/a> inceleyebilirsiniz.<\/p>\n<h2><span id=\"TXT_Kaydi_SPF_Dogrulama_ve_Diger_Metin_Bilgileri\">TXT Kayd\u0131: SPF, Do\u011frulama ve Di\u011fer Metin Bilgileri<\/span><\/h2>\n<h3><span id=\"TXT_kaydi_nedir\">TXT kayd\u0131 nedir?<\/span><\/h3>\n<p><strong>TXT (Text)<\/strong> kayd\u0131, alan ad\u0131n\u0131zla ili\u015fkilendirilmi\u015f serbest metin bilgiler tutmak i\u00e7in kullan\u0131l\u0131r. G\u00fcn\u00fcm\u00fczde en yayg\u0131n kullan\u0131m alanlar\u0131 \u015funlard\u0131r:<\/p>\n<ul>\n<li><strong>SPF<\/strong>: Hangi IP ve sunucular\u0131n sizin ad\u0131n\u0131za e-posta g\u00f6ndermeye yetkili oldu\u011funu belirtir.<\/li>\n<li><strong>DKIM<\/strong>: E-posta i\u00e7eriklerinin imzalanmas\u0131 i\u00e7in kullan\u0131lan kamu anahtar\u0131n\u0131 bar\u0131nd\u0131r\u0131r.<\/li>\n<li><strong>DMARC<\/strong>: SPF ve DKIM sonu\u00e7lar\u0131na g\u00f6re al\u0131c\u0131 sunucular\u0131n nas\u0131l davranmas\u0131 gerekti\u011fini tan\u0131mlar.<\/li>\n<li><strong>Servis do\u011frulamalar\u0131<\/strong>: Google, Microsoft, analitik ara\u00e7lar\u0131, CDN\u2019ler vb. i\u00e7in alan ad\u0131 sahipli\u011fini kan\u0131tlayan token\u2019lar.<\/li>\n<\/ul>\n<h3><span id=\"SPF_icin_ornek_TXT_kaydi\">SPF i\u00e7in \u00f6rnek TXT kayd\u0131<\/span><\/h3>\n<p>Basit bir SPF kayd\u0131 \u015f\u00f6yle g\u00f6r\u00fcnebilir:<\/p>\n<pre>alanadiniz.com.  3600  IN  TXT   \"v=spf1 mx a include:_spf.ornekservis.com -all\"<\/pre>\n<p>Bu kay\u0131t, \u201cBu alan ad\u0131 ad\u0131na e-posta g\u00f6ndermeye, MX ve A kay\u0131tlar\u0131nda belirtilen IP\u2019ler ile _spf.ornekservis.com kayd\u0131nda tan\u0131ml\u0131 IP\u2019ler yetkilidir; di\u011fer her \u015feyi reddet\u201d anlam\u0131na gelir.<\/p>\n<p>SPF, DKIM, DMARC ve rDNS\u2019i bir arada ele ald\u0131\u011f\u0131m\u0131z daha ileri seviye bir rehber ar\u0131yorsan\u0131z, <a href=\"https:\/\/www.dchost.com\/blog\/spf-dkim-dmarc-ve-rdns-ile-e-posta-teslim-edilebilirligini-nasil-adim-adim-yukseltirsin\/\">e-posta teslim edilebilirli\u011fini art\u0131rma yaz\u0131m\u0131z<\/a> tam size g\u00f6re.<\/p>\n<h3><span id=\"Adim_adim_TXT_kaydi_ekleme_ornegi\">Ad\u0131m ad\u0131m TXT kayd\u0131 ekleme \u00f6rne\u011fi<\/span><\/h3>\n<p>Senaryo: Bir \u00fc\u00e7\u00fcnc\u00fc parti servis sizden alan ad\u0131 do\u011frulamas\u0131 i\u00e7in \u015fu TXT kayd\u0131n\u0131 eklemenizi istiyor:<\/p>\n<pre>\"service-verification=abcdef123456\"<\/pre>\n<ol>\n<li>DCHost DNS y\u00f6netim paneline girin.<\/li>\n<li><strong>Yeni DNS Kayd\u0131<\/strong> deyin ve t\u00fcr olarak <strong>TXT<\/strong> se\u00e7in.<\/li>\n<li><strong>\u0130sim \/ Host<\/strong> alan\u0131n\u0131 bo\u015f b\u0131rak\u0131n veya <strong>@<\/strong> yaz\u0131n (talep k\u00f6k alan ad\u0131 i\u00e7indir).<\/li>\n<li><strong>Metin \/ Value<\/strong> alan\u0131na tam olarak verilen de\u011feri girin: <code>service-verification=abcdef123456<\/code><\/li>\n<li>Kaydedin ve servisin do\u011frulama ad\u0131m\u0131n\u0131 yeniden \u00e7al\u0131\u015ft\u0131r\u0131n.<\/li>\n<\/ol>\n<h2><span id=\"SRV_Kaydi_Ozel_Servisler_icin_DNS_Rehberi\">SRV Kayd\u0131: \u00d6zel Servisler i\u00e7in DNS Rehberi<\/span><\/h2>\n<h3><span id=\"SRV_kaydi_nedir\">SRV kayd\u0131 nedir?<\/span><\/h3>\n<p><strong>SRV (Service)<\/strong> kayd\u0131, belirli bir servisin hangi sunucuda ve hangi portta \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 tan\u0131mlar. \u00d6zellikle <strong>SIP, XMPP, baz\u0131 VoIP \u00e7\u00f6z\u00fcmleri ve oyun sunucular\u0131<\/strong> taraf\u0131ndan kullan\u0131l\u0131r.<\/p>\n<p>Genel SRV format\u0131 \u015f\u00f6yledir:<\/p>\n<pre>_servis._protokol.alanadiniz.com.  TTL  IN  SRV  \u00f6ncelik  a\u011f\u0131rl\u0131k  port  hedef<\/pre>\n<p>\u00d6rne\u011fin bir SIP servisi i\u00e7in:<\/p>\n<pre>_sip._tcp.alanadiniz.com. 3600 IN SRV 10 60 5060 sip1.alanadiniz.com.<\/pre>\n<p>Bu \u015fu anlama gelir: \u201calanadiniz.com i\u00e7in TCP \u00fczerinden \u00e7al\u0131\u015fan SIP servisi, \u00f6ncelik 10, a\u011f\u0131rl\u0131k 60, port 5060 ile sip1.alanadiniz.com sunucusunda bulunur.\u201d<\/p>\n<h3><span id=\"SRV_kaydi_kullanilan_tipik_senaryolar\">SRV kayd\u0131 kullan\u0131lan tipik senaryolar<\/span><\/h3>\n<ul>\n<li>Kurumsal <strong>VoIP \/ IP PBX<\/strong> \u00e7\u00f6z\u00fcmleri.<\/li>\n<li>XMPP tabanl\u0131 mesajla\u015fma sunucular\u0131.<\/li>\n<li>Baz\u0131 oyun sunucular\u0131 (\u00f6rne\u011fin, \u00f6zel portla \u00e7al\u0131\u015fan ve kullan\u0131c\u0131lar\u0131n direkt alan ad\u0131n\u0131 yazmas\u0131n\u0131 istedi\u011finiz yap\u0131lar).<\/li>\n<li>Kurumsal hizmet sa\u011flay\u0131c\u0131lar\u0131n otomatik yap\u0131land\u0131rma s\u00fcre\u00e7leri (\u00f6rne\u011fin baz\u0131 e-posta istemcileri ve toplant\u0131 yaz\u0131l\u0131mlar\u0131).<\/li>\n<\/ul>\n<p>DCHost \u00fczerinde bir <strong>VPS<\/strong> veya <strong>dedicated sunucu<\/strong> kiralay\u0131p kendi VoIP ya da oyun altyap\u0131n\u0131z\u0131 kurarken SRV kay\u0131tlar\u0131 s\u0131k\u00e7a kar\u015f\u0131n\u0131za \u00e7\u0131kar. Temel mant\u0131\u011f\u0131 kavrad\u0131\u011f\u0131n\u0131zda, servislerinizi kullan\u0131c\u0131lar i\u00e7in \u00e7ok daha kolay eri\u015filebilir hale getirirsiniz.<\/p>\n<h3><span id=\"Adim_adim_SRV_kaydi_ekleme_ornegi\">Ad\u0131m ad\u0131m SRV kayd\u0131 ekleme \u00f6rne\u011fi<\/span><\/h3>\n<p>Senaryo: DCHost VPS\u2019inizde <strong>sip1.alanadiniz.com<\/strong> isimli bir SIP sunucusu \u00e7al\u0131\u015f\u0131yor, portu 5060 ve bu sunucuyu varsay\u0131lan SIP sunucusu olarak tan\u0131mlamak istiyorsunuz.<\/p>\n<ol>\n<li>\u00d6nce <strong>sip1.alanadiniz.com<\/strong> i\u00e7in A veya AAAA kayd\u0131n\u0131 olu\u015fturun.<\/li>\n<li>DNS y\u00f6netim panelinde, <strong>Yeni DNS Kayd\u0131<\/strong> deyip t\u00fcr olarak <strong>SRV<\/strong> se\u00e7in.<\/li>\n<li>\u0130sim alan\u0131na genelde panel sizden servis ve protokol\u00fc ayr\u0131 ayr\u0131 ister; yoksa \u015fu \u015fekilde girmeniz gerekebilir: <strong>_sip._tcp<\/strong><\/li>\n<li>\u00d6ncelik (priority): <strong>10<\/strong><\/li>\n<li>A\u011f\u0131rl\u0131k (weight): <strong>60<\/strong><\/li>\n<li>Port: <strong>5060<\/strong><\/li>\n<li>Hedef: <strong>sip1.alanadiniz.com.<\/strong><\/li>\n<li>Kaydedin ve SIP istemcinizde otomatik ke\u015fif (auto discovery) \u00f6zellikleriyle test edin.<\/li>\n<\/ol>\n<h2><span id=\"Adim_Adim_DNS_Yonetimi_Yeni_Bir_Alan_Adini_Yayina_Almak\">Ad\u0131m Ad\u0131m DNS Y\u00f6netimi: Yeni Bir Alan Ad\u0131n\u0131 Yay\u0131na Almak<\/span><\/h2>\n<p>\u015eimdiye kadar tek tek kay\u0131t t\u00fcrlerini g\u00f6rd\u00fck. Gelin hepsini bir araya getirip \u201cyeni al\u0131nan alan ad\u0131 i\u00e7in minimum DNS paketi nas\u0131l olmal\u0131?\u201d sorusunu pratik bir ak\u0131\u015fla cevaplayal\u0131m.<\/p>\n<h3><span id=\"1_Nameserverlari_dogru_ayarlayin\">1. Nameserver\u2019lar\u0131 do\u011fru ayarlay\u0131n<\/span><\/h3>\n<p>Alan ad\u0131n\u0131z\u0131 DCHost \u00fczerinden ald\u0131ysan\u0131z, \u00e7o\u011fu durumda nameserver\u2019lar otomatik olarak bizim DNS altyap\u0131m\u0131za i\u015faret eder ve siz do\u011frudan DCHost DNS panelini kullan\u0131rs\u0131n\u0131z. Alan ad\u0131n\u0131z ba\u015fka bir yerde olsa bile, nameserver\u2019lar\u0131 DCHost DNS veya tercih etti\u011finiz DNS sa\u011flay\u0131c\u0131s\u0131na y\u00f6nlendirmeniz gerekir.<\/p>\n<p>Nameserver se\u00e7imi ve farkl\u0131 sa\u011flay\u0131c\u0131lar\u0131n art\u0131lar\u0131\/eksileri i\u00e7in <a href=\"https:\/\/www.dchost.com\/blog\/cloudflare-dns-mi-hosting-dnsi-mi-en-dogru-nameserver-stratejisi\/\">nameserver stratejisi rehberimize<\/a> g\u00f6z atabilirsiniz.<\/p>\n<h3><span id=\"2_Web_sitesi_icin_A_ve_gerekirse_AAAA_kayitlarini_ekleyin\">2. Web sitesi i\u00e7in A ve gerekirse AAAA kay\u0131tlar\u0131n\u0131 ekleyin<\/span><\/h3>\n<ul>\n<li><strong>@ i\u00e7in A kayd\u0131<\/strong>: K\u00f6k alan ad\u0131n\u0131z\u0131 web sunucunuzun IPv4 adresine y\u00f6nlendirin.<\/li>\n<li><strong>www i\u00e7in CNAME veya A kayd\u0131<\/strong>: Genellikle www \u2192 k\u00f6k alan ad\u0131na CNAME verilir.<\/li>\n<li>Sunucunuz IPv6 destekliyse, ayn\u0131 isimler i\u00e7in <strong>AAAA kay\u0131tlar\u0131<\/strong> da ekleyin.<\/li>\n<\/ul>\n<h3><span id=\"3_E-posta_altyapisi_icin_MX_ve_temel_TXT_kayitlarini_ayarlayin\">3. E-posta altyap\u0131s\u0131 i\u00e7in MX ve temel TXT kay\u0131tlar\u0131n\u0131 ayarlay\u0131n<\/span><\/h3>\n<ul>\n<li>Posta sunucunuz i\u00e7in bir <strong>A kayd\u0131<\/strong> olu\u015fturun (\u00f6rne\u011fin mail.alanadiniz.com).<\/li>\n<li>Alan ad\u0131n\u0131z i\u00e7in bir veya birden fazla <strong>MX kayd\u0131<\/strong> tan\u0131mlay\u0131n.<\/li>\n<li>E-posta g\u00f6nderen IP ve servisleri belirleyip bir <strong>SPF kayd\u0131 (TXT)<\/strong> ekleyin.<\/li>\n<li>M\u00fcmk\u00fcnse <strong>DKIM<\/strong> ve <strong>DMARC<\/strong> kay\u0131tlar\u0131n\u0131 da kurun.<\/li>\n<\/ul>\n<h3><span id=\"4_SSLTLS_icin_hazirlik_yapin\">4. SSL\/TLS i\u00e7in haz\u0131rl\u0131k yap\u0131n<\/span><\/h3>\n<p>HTTPS\u2019e ge\u00e7mek, hem g\u00fcvenlik hem SEO a\u00e7\u0131s\u0131ndan art\u0131k zorunlu diyebilece\u011fimiz bir pratik. DCHost \u00fczerinde Let\u2019s Encrypt veya ticari sertifikalarla SSL kurarken, alan ad\u0131n\u0131z\u0131n DNS kay\u0131tlar\u0131n\u0131n do\u011fru \u00e7\u00f6z\u00fcld\u00fc\u011f\u00fcnden emin olman\u0131z gerekir. \u00dccretsiz SSL kurulumu i\u00e7in <a href=\"https:\/\/www.dchost.com\/blog\/lets-encrypt-ile-ucretsiz-ssl-sertifikasi-kurulumu-cpanel-ve-directadminde-otomatik-yenileme-rehberi\/\">cPanel ve DirectAdmin \u00fczerinde Let\u2019s Encrypt rehberimizi<\/a> kullanabilirsiniz.<\/p>\n<h3><span id=\"5_Guvenlik_icin_DNSSEC_ve_ilgili_ayarlari_planlayin\">5. G\u00fcvenlik i\u00e7in DNSSEC ve ilgili ayarlar\u0131 planlay\u0131n<\/span><\/h3>\n<p>DNS yan\u0131tlar\u0131n\u0131n manip\u00fcle edilmesini zorla\u015ft\u0131ran <strong>DNSSEC<\/strong>, \u00f6zellikle kritik siteler i\u00e7in \u00f6nemli bir ek g\u00fcvenlik katman\u0131d\u0131r. DNSSEC\u2019in ne oldu\u011funu ve sitenizi nas\u0131l daha g\u00fcvenli hale getirdi\u011fini merak ediyorsan\u0131z, <a href=\"https:\/\/www.dchost.com\/blog\/dnssec-nedir-web-sitenizi-nasil-daha-guvenli-hale-getirir\/\">DNSSEC rehberimize<\/a> g\u00f6z atabilirsiniz. DCHost altyap\u0131s\u0131nda, DNSSEC deste\u011fini ve DS kay\u0131tlar\u0131n\u0131 nas\u0131l y\u00f6netece\u011finiz konusunda teknik ekibimiz size yol g\u00f6sterebilir.<\/p>\n<h3><span id=\"6_Yaygin_hatalari_yakalamak_icin_son_kontrol\">6. Yayg\u0131n hatalar\u0131 yakalamak i\u00e7in son kontrol<\/span><\/h3>\n<p>DNS kay\u0131tlar\u0131n\u0131z\u0131 olu\u015fturduktan sonra, \u015fu h\u0131zl\u0131 kontrol listesini uygulay\u0131n:<\/p>\n<ul>\n<li>A\/AAAA kay\u0131tlar\u0131ndaki IP adresleri do\u011fru mu?<\/li>\n<li>MX kay\u0131tlar\u0131n\u0131n i\u015faret etti\u011fi sunucular\u0131n A\/AAAA kay\u0131tlar\u0131 var m\u0131?<\/li>\n<li>TXT kay\u0131tlar\u0131ndaki SPF\/DKIM\/DMARC de\u011ferleri kopyala-yap\u0131\u015ft\u0131r ile tam ve hatas\u0131z m\u0131?<\/li>\n<li>K\u00f6k alan ad\u0131nda CNAME var m\u0131? (olmamal\u0131)<\/li>\n<\/ul>\n<p>Daha kapsaml\u0131 bir bak\u0131\u015f i\u00e7in, <a href=\"https:\/\/www.dchost.com\/blog\/dns-kayitlari-adan-zye-a-aaaa-cname-mx-txt-srv-caa-ve-sizi-yakan-o-kucuk-hatalar\/\">DNS kay\u0131tlar\u0131n\u0131 A\u2019dan Z\u2019ye anlatt\u0131\u011f\u0131m\u0131z ve s\u0131k yap\u0131lan hatalar\u0131 toplad\u0131\u011f\u0131m\u0131z makaleyi<\/a> de inceleyebilirsiniz.<\/p>\n<h2><span id=\"Yaygin_DNS_Hatalari_ve_Nasil_Kacinirsiniz\">Yayg\u0131n DNS Hatalar\u0131 ve Nas\u0131l Ka\u00e7\u0131n\u0131rs\u0131n\u0131z?<\/span><\/h2>\n<h3><span id=\"Yanlis_IP_adresi_veya_eski_sunucuya_isaret_eden_A_kaydi\">Yanl\u0131\u015f IP adresi veya eski sunucuya i\u015faret eden A kayd\u0131<\/span><\/h3>\n<p>Site ta\u015f\u0131d\u0131ktan sonra A kayd\u0131n\u0131 g\u00fcncellemeyi unutmak, en s\u0131k g\u00f6rd\u00fc\u011f\u00fcm\u00fcz sorunlardan biri. Ziyaret\u00e7iler eski sunucuya gider, siz \u201cher \u015feyi ta\u015f\u0131d\u0131m ama h\u00e2l\u00e2 eski site a\u00e7\u0131l\u0131yor\u201d diye \u015fa\u015f\u0131r\u0131rs\u0131n\u0131z. Ta\u015f\u0131ma \u00f6ncesi TTL\u2019i d\u00fc\u015f\u00fcrmek, ta\u015f\u0131ma sonras\u0131 da A\/AAAA kay\u0131tlar\u0131n\u0131 gecikmeden g\u00fcncellemek bu sorunu \u00e7\u00f6zer.<\/p>\n<h3><span id=\"Cok_uzun_TTL_ile_yapilan_ani_degisiklikler\">\u00c7ok uzun TTL ile yap\u0131lan ani de\u011fi\u015fiklikler<\/span><\/h3>\n<p>TTL\u2019i 86400 (1 g\u00fcn) gibi y\u00fcksek bir de\u011ferde b\u0131rak\u0131p, sonra acil bir y\u00f6nlendirme de\u011fi\u015fikli\u011fi yapmak zorunda kal\u0131rsan\u0131z, d\u00fcnyan\u0131n d\u00f6rt bir yan\u0131ndaki \u00f6nbellekler eski kayd\u0131 1 g\u00fcn boyunca tutmaya devam edebilir. Bu sebeple; stabil d\u00f6nemlerde uzun, ta\u015f\u0131ma veya bak\u0131m \u00f6ncesi d\u00f6nemlerde k\u0131sa TTL kullanmak iyi bir pratiktir. Detaylar\u0131 i\u00e7in tekrar <a href=\"https:\/\/www.dchost.com\/blog\/zero-downtime-tasima-icin-ttl-stratejileri-dns-yayilimini-gercekten-nasil-hizlandirirsin\/\">TTL stratejisi yaz\u0131m\u0131za<\/a> g\u00f6z atabilirsiniz.<\/p>\n<h3><span id=\"Kok_alan_adinda_CNAME_kullanmak\">K\u00f6k alan ad\u0131nda CNAME kullanmak<\/span><\/h3>\n<p>Baz\u0131 servisler, \u201calanadiniz.com i\u00e7in CNAME ekleyin\u201d gibi talepte bulunur. Bu teknik olarak hatal\u0131d\u0131r. \u00c7\u00f6z\u00fcm: Genellikle k\u00f6k alan ad\u0131 i\u00e7in A\/AAAA kay\u0131tlar\u0131 kullan\u0131r, alt alan ad\u0131 (www, app, panel gibi) i\u00e7in CNAME tan\u0131mlars\u0131n\u0131z. B\u00f6ylece hem standartlara uyars\u0131n\u0131z hem de ileride DNSSEC, CAA gibi ek yap\u0131land\u0131rmalarda sorun ya\u015famazs\u0131n\u0131z.<\/p>\n<h3><span id=\"E-posta_icin_MX_var_ama_A_kaydi_yok\">E-posta i\u00e7in MX var ama A kayd\u0131 yok<\/span><\/h3>\n<p>MX kayd\u0131, bir alan ad\u0131na e-posta nereye gidecek sorusuna sadece sunucu ismiyle cevap verir. O sunucu isminin de mutlaka bir A veya AAAA kayd\u0131 olmal\u0131d\u0131r. \u00d6rne\u011fin MX \u2192 mail.alanadiniz.com ise, mail.alanadiniz.com i\u00e7in bir A\/AAAA kayd\u0131n\u0131z yoksa, g\u00f6nderici sunucular e-postay\u0131 teslim edemez. DNS taraf\u0131n\u0131 kontrol etmeden \u201cmail sunucum bozuk\u201d demeyin.<\/p>\n<h3><span id=\"SPF_DKIM_ve_DMARC_uyumsuzluklari\">SPF, DKIM ve DMARC uyumsuzluklar\u0131<\/span><\/h3>\n<p>Yanl\u0131\u015f yaz\u0131lm\u0131\u015f bir SPF kayd\u0131 ya da DMARC politikas\u0131nda <code>p=reject<\/code> kullan\u0131p hatal\u0131 yap\u0131land\u0131rma yapmak, me\u015fru e-postalar\u0131n\u0131z\u0131n bile reddedilmesine yol a\u00e7abilir. Bu nedenle mail altyap\u0131s\u0131n\u0131 kurarken DNS kay\u0131tlar\u0131n\u0131 ad\u0131m ad\u0131m test ederek ilerlemenizi, <a href=\"https:\/\/www.dchost.com\/blog\/spf-dkim-ve-dmarc-nedir-ozel-alan-adi-ile-e-posta-dogrulamasini-cpanel-ve-vpste-sifirdan-kurmak\/\">temel SPF\/DKIM\/DMARC rehberindeki ad\u0131mlar\u0131<\/a> birebir uygulaman\u0131z\u0131 \u00f6neririz.<\/p>\n<h2><span id=\"Ozet_ve_DCHost_ile_Saglam_DNS_Altyapisi_Kurmak\">\u00d6zet ve DCHost ile Sa\u011flam DNS Altyap\u0131s\u0131 Kurmak<\/span><\/h2>\n<p>DNS kay\u0131tlar\u0131, g\u00fcnl\u00fck hayatta \u00e7o\u011fu zaman arkada sessizce \u00e7al\u0131\u015fan ama yanl\u0131\u015f yap\u0131land\u0131r\u0131ld\u0131\u011f\u0131nda t\u00fcm altyap\u0131y\u0131 kilitleyebilen kritik bir bile\u015fen. Bu yaz\u0131da A, AAAA, CNAME, MX, TXT ve SRV kay\u0131tlar\u0131n\u0131; ne i\u015fe yarad\u0131klar\u0131n\u0131, hangi senaryoda hangisini kullanman\u0131z gerekti\u011fini ve DCHost DNS paneli \u00fczerinden \u00f6rnek ad\u0131mlarla nas\u0131l ekleyebilece\u011finizi detayl\u0131 \u015fekilde ele ald\u0131k.<\/p>\n<p>Art\u0131k yeni bir alan ad\u0131 ald\u0131\u011f\u0131n\u0131zda, hangi temel kay\u0131tlar\u0131n zorunlu oldu\u011funu; e-posta altyap\u0131s\u0131nda neden sadece MX\u2019in yetmedi\u011fini; SPF\/DKIM\/DMARC i\u00e7in TXT kay\u0131tlar\u0131n\u0131n nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve \u00f6zel servisler i\u00e7in SRV kay\u0131tlar\u0131yla neler yapabilece\u011finizi biliyorsunuz. Bir sonraki a\u015famada, <a href=\"https:\/\/www.dchost.com\/blog\/yeni-alan-adi-aldiktan-sonra-ilk-30-gun-icin-dns-ssl-e-posta-ve-seo-kontrol-listesi\/\">yeni alan ad\u0131 ald\u0131ktan sonra ilk 30 g\u00fcn i\u00e7in haz\u0131rlad\u0131\u011f\u0131m\u0131z kontrol listesine<\/a> g\u00f6z atarak, DNS\u2019inizi SSL, e-posta ve SEO ile birlikte b\u00fct\u00fcnsel \u015fekilde planlayabilirsiniz.<\/p>\n<p>DCHost olarak; domain, <a href=\"https:\/\/www.dchost.com\/tr\/web-hosting\">payla\u015f\u0131ml\u0131 hosting<\/a>, VPS, <a href=\"https:\/\/www.dchost.com\/tr\/fiziksel-sunucu\">dedicated sunucu<\/a> ve colocation hizmetlerimizin tamam\u0131nda DNS y\u00f6netimini ciddiye al\u0131yor, panel \u00fczerinden kolayca y\u00f6netilebilir hale getiriyoruz. DNS kay\u0131tlar\u0131n\u0131z\u0131 kendiniz y\u00f6netmek isteyebilirsiniz, ya da \u201cben i\u015fime odaklanay\u0131m, DNS\u2019i uzmanlar takip etsin\u201d diyebilirsiniz. Her iki durumda da teknik ekibimiz; alan ad\u0131n\u0131z\u0131n ilk kurulumundan ta\u015f\u0131ma s\u00fcre\u00e7lerine, DNSSEC ve geli\u015fmi\u015f kay\u0131t yap\u0131land\u0131rmalar\u0131na kadar yan\u0131n\u0131zda.<\/p>\n<p>Alan ad\u0131n\u0131z\u0131, hosting veya VPS\u2019inizi DCHost \u00fczerinde konumland\u0131rd\u0131ysan\u0131z ve DNS taraf\u0131nda kafan\u0131za tak\u0131lan bir nokta varsa, bir ticket a\u00e7man\u0131z yeterli. Sitenizin ve e-posta altyap\u0131n\u0131z\u0131n DNS y\u00fcz\u00fcnden hi\u00e7 kesintiye u\u011framad\u0131\u011f\u0131, temiz ve kontroll\u00fc bir ortam i\u00e7in birlikte \u00e7al\u0131\u015fal\u0131m.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u0130&ccedil;indekiler1 DNS Kay\u0131tlar\u0131 Nedir ve Neden \u00d6nemlidir?2 DNS Temelleri: Alan Ad\u0131, Nameserver ve TTL Mant\u0131\u011f\u01312.1 Alan ad\u0131 ile sunucu aras\u0131ndaki k\u00f6pr\u00fc2.2 Nameserver ve DNS zonu nedir?2.3 TTL (Time To Live) kavram\u01313 DNS Kay\u0131t T\u00fcrlerine Genel Bak\u0131\u015f4 A Kayd\u0131: Alan Ad\u0131n\u0131z\u0131 IPv4 Adresine Ba\u011flamak4.1 A kayd\u0131 nedir?4.2 Ne zaman A kayd\u0131 kullanmal\u0131s\u0131n\u0131z?4.3 Ad\u0131m ad\u0131m A kayd\u0131 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2924,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-2923","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji"],"_links":{"self":[{"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/posts\/2923","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/comments?post=2923"}],"version-history":[{"count":0,"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/posts\/2923\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/media\/2924"}],"wp:attachment":[{"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/media?parent=2923"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/categories?post=2923"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dchost.com\/blog\/wp-json\/wp\/v2\/tags?post=2923"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}