dns
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Solved: docker compose alternative to external-dns
Tired of manual DNS for Docker Compose services? Explore simple, real-world alternatives to external-dns for effective container name resolution. Continue reading
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Solved: From In-House to Out-house? Wait…
Struggling to connect to internal services via public hostnames? Learn why NAT hairpinning happens and explore fixes from an /etc/hosts hack to Split- Continue reading
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Solved: Issues with new /21 subnet – reverse DNS and reputation questions
Fix failing reverse DNS on a new /21 subnet. Learn why classless delegation breaks PTR lookups and get three real-world solutions to repair your IP re Continue reading
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Solved: Cloud fare down again 2 times in a single year
Cloudflare outage breaking your Linux servers? Learn why systemd-resolved is the real culprit and get 3 battle-tested fixes for DNS resolution failure Continue reading
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Solved: Be honest, could you tell this was vibe-designed by AI?
A simple change to /etc/resolv.conf can break container DNS and fail CI/CD pipelines. Learn why Docker needs a restart to see host network changes. Continue reading
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Solved: Hosting a website on Google Workspace vs Hosting one on Microsoft…
Struggling to host a website on your main domain with Google Workspace or Microsoft 365? Learn why a DNS conflict occurs and get 3 solutions to fix it Continue reading
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Solved: The Forgotten Bug: How a Node.js Core Design Flaw Enables HTTP Request Splitting
Uncover a Node.js core DNS flaw that causes cryptic errors and enables HTTP Request Splitting. Learn three battle-tested fixes to protect your app. Continue reading
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Solved: Does anyone here feel like Google Ads are not getting as much traffic as they used to before?
Seeing a drop in Google Ads traffic? Your server’s IPv6 configuration may be the silent killer. Learn to diagnose and fix common DNS AAAA record issue Continue reading
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Solved: Soo… Am I the only one to find find expired domains that way? Or is it a common practice?
Server down due to an expired domain in your DNS? Find out why this rogue resolv.conf issue happens and get three fixes, from quick hacks to permanent Continue reading
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Solved: Best Niches & Networks for Affiliate Marketing in 2026?
Struggling with service discovery in Docker & K8s? Learn why your containers can’t connect, fix common DNS issues, and get production-ready solutions. Continue reading