debugging
How to get a free city.state.us domain for side projects
US locality domains under city.state.us are a forgotten corner of DNS — and a cheap way to get a real domain for side projects. Here's how to claim one.
dnswebdevnetworking
debugging
How to Prevent Unauthorized Domain Transfers (Before It's Too Late)
Learn how to protect your domains from unauthorized transfers with transfer locks, registry locks, DNSSEC, and proactive monitoring scripts.
securitydnsdevops
debugging
Why Your Lab Domain Suddenly Stopped Resolving (DNS Blocklists)
When your domain lands on a DNS blocklist, your entire lab breaks. Here's how to diagnose, fix, and prevent DNS blocklist issues.
dnsselfhostednetworking
tutorial
I Bought a Domain by Talking to My AI. No Browser Needed.
# I Bought a Domain by Talking to My AI. No Browser Needed. Last month I fat-fingered a CNAME record at 2am and took down production for three hours.
mcpdnsdomains
debugging
Why Your DNS Resolver Might Be Silently Blocking Legitimate Domains
Learn how to debug and fix DNS resolution failures when security-filtered resolvers silently block legitimate domains you depend on.
dnsnetworkingdevops
debugging
Why Your Self-Hosted Email Gets Rejected and How to Actually Fix It
Self-hosted email keeps getting rejected? Here's why IP reputation matters more than perfect DNS records, and how to maximize deliverability.
emailself-hostingdevops