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DNS server (lemmy.world)

submitted 3 days ago by iturnedintoanewt@lemmy.world to c/selfhosted@lemmy.world

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Hi guys! So...I have a self-hosted DNS server. Initially I'd use pihole, with unbound, and the more or less basic blocklists. But from time to time things would start acting wonky. Sometimes a reboot would fix it. Sometimes...not really and I was really not sure what was going wrong, but it was clearly DNS. Changing the clients settings from my own server to something like 9.9.9.9 would immediately get it sorted out.

So I went with an adguard server. In the last few days I've started to notice weird behaviors. Today I've lost the Azure desktop I was connected, and it was very clearly looking like DNS. So I checked...and yup, 9.9.9.9 again would sort it all out. So...I'm not sure what's going wrong. I'm selfhosting these on an LXC container in proxmox. Nothing else seems to have issues connecting, and I see almost no resources being used. Any ideas? Any other DNS server I might be able to try?

Thanks!

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[–] Australis13@fedia.io 1 points 3 days ago

I use Pi-hole, except that I originally retrofitted after setting up DNScrypt years ago to connect to Cisco OpenDNS. That's not the only DNS server you can use with it, though, and it's added more features since.

To use DNScrypt with Pi-hole on the same device, set DNScrypt to listen on 127.0.0.1:54 and point Pi-hole to that as the DNS server.

The only time I have ever had any trouble with this setup and DNS resolution is when the network is recovering from a power outage; there's a race condition somewhere between the Pi and my modem/router that I've never found the time to pin down (given outages are so infrequent I just haven't gotten around to it) and it's easily resolved by rebooting the Pi.