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Custom Local Domains
(sopuli.xyz)
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this post was submitted on 17 Jun 2023
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After much suffering with local zones (mainly due to stubborn devices ignoring dns servers coming via dhcp and retarded corporate vpn messing with resolv.conf) I just use xxx.local.mydomain.tld with a small script that parses the leases files and updates the data via cloud flare api.
Using a real domain also lets you get Let's Encrypt TLS certificates for the subdomains, by using DNS challenges.
I do the same thing - I use
xxx.int.example.comandxxx.vpn.example.comfor internal IPs and VPN IPs respectively.I ended up doing a similar thing for the same reasons, too many things ignoring my local dns. I ended up creating a subdomain for my house where all the A records had internal ips. I gave out fixed leases to the things with names though instead of dynamic dns updates.
I have static ips for the server-ish things and few important devices too, but for the rest (swarm of shellys, esp32, etc.) I'm too lazy to maintain the list =)