I’m pulling my hair out over this. I’ve got a proxmox homelab, an LXC running technitium installed from TTeck’s script.

The DNS server is also doing DHCP for my network. I have an authoritative zone for ‘.lan’

I can get NS, SOA, TXT records from the DNS server, but no A records! The DNS query logs show that it gives an answer, and if I am on the DNS server itself I get an answer, but no other machines on the network hear the reply.

I think this means the DNS server is working properly. There are no FWs in the way as I can resolve other types.

Where else can I look, or how can I diagnose this? I am completely at a loss.

  • @hemmes
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    1 month ago

    Yeah if you can dig a record and received a response it’s not a routing issue.

    But aren’t you on the same subnet as your DNS server? There’s no routing happening if you’re on the same subnet which I was assuming.

    Even through dig defaults to outputting A records when no other options are specified, I would use the A option anyway just in case:

    dig @192.168.0.249 study.lan A
    

    If you use “ping study.lan” do you see it output the A record IP address in the first line of output?

    Did you try using nslookup as I described?

    • @BluesheepOP
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      129 days ago

      I switched out the router and things started working. Very weird, but I can’t tho jot anything other than it being the Virgin Media hub not liking it. Apparently they have history on this.

      • @hemmes
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        129 days ago

        Very strange, but glad you worked it out!

        I’ll keep this thread in mind if I ever run into something similar.