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My Own DNS Server at Home – Part 1: IPv4
“It’s always DNS” is a famous meme among network people. Name resolution is technically quite simple. It’s “just” translating a hostname like jan.wildeboer.net to an IP address. What could possibly go wrong? I am a radical optimist and detail-obsessed knowledge collector, so I decided to find out. As part of my goal to make my home network a little island of Digital Sovereignty, meaning that everything at home should JustWork™, even with no working internet connection, a DNS server is needed.
3 ThinkCentre Tiny PCs in the homelab.jhw zone, called hl01 ( 192.168.1.11), hl02 ( 192.168.1.12) and hl03 ( 192.168.1.13), running RHEL10 (Red Hat Enterprise Linux) A Fritz Box 7490 at 192.168.1.254 The forward zone resolves names to IP addresses using A records (and other types like TXT, CAA and many more exist, but we won’t cover that in this post). In my homelab the CA (Certificate Authority) server is a container that runs on inf01.homelab.jhw, but should be reachable as ca.homelab.jhw in the home network.
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