Follow the dependencies between DNSKEYs, cached signatures and parent DS records. Compare routine rollover methods, verify each phase, and separate algorithm changes, multi-signer migrations and compromise response.
A planning guide to rate-limit scopes and renewal exemptions, certificate grouping, challenge prerequisites, DNS timing, durable state and verified deployment.
Compare supported ways to connect a root domain to a SaaS or CDN hostname. Understand provider limits, proxy modes, caching and the DNS, TLS and redirect checks needed for a planned migration.
Technology
Beat the 10 Lookup Wall: Automated SPF Flattening with CI/CD or Workers (Without the Drama)
So there I was, late on a Thursday, staring at a perfectly innocent TXT record that had somehow turned our client’s emails into ghosts. No bounces. No delivery. Just silence. Their SPF record looked clean, but buried inside were more “include”s than a family tree. And that’s when it hit me—yep, we’d smacked into the…
12 November 2025
The Calm Way to Move: Zero‑Downtime cPanel‑to‑cPanel Migration with Account Transfer, Incremental rsync, and Smart TTLs
So there I was, late on a Wednesday evening, staring at two WHM dashboards like a chess player watching a clock. One server was tired and full; the other was a shiny new box begging to take over. The catch? The client ran a busy WooCommerce site, a few blast‑radius‑sized mailboxes, and a couple of…
12 November 2025
MTA-STS and DANE: Email Trust Models
Compare HTTPS/PKIX policy with DNSSEC/TLSA authentication. Understand MTA-STS and DANE precedence, external MX ownership and how credential changes affect trust.
12 November 2025
S3 Object Lock: Immutable Backups and Restore Tests
Build version-level backup protection with S3 Object Lock. Understand governance and compliance, MFA Delete and lifecycle limits, then verify recovery in isolated drills.
12 November 2025
PCI DSS Hosting: A Repeatable E-Commerce Security Routine
A hosting-focused PCI DSS overview for e-commerce teams, connecting payment scope and segmentation with ongoing hardening, monitoring, scan remediation and recovery practice.
11 November 2025
Zero‑Downtime HAProxy: Layer 4/7 Load Balancing, Health Checks that Matter, Sticky Sessions that Behave, and Clean TLS Passthrough
So there I was, staring at a slow‑moving progress bar on a Friday release, knowing full well that one wrong reload could drop hundreds of users off a checkout page. You know that feeling, right? When traffic is hot, stakes are high, and the only thing between your app and a storm of angry messages…
11 November 2025
