<div dir="ltr">Mike<div><br></div><div>1. You can set the server with @ so in your case `dig @<a href="http://1.1.1.1">1.1.1.1</a> -x 208.x.x.x +trace` </div><div>2. Test with an IP that you know should work `<span style="color:rgb(0,0,0);font-family:monospace">$ dig +short @<a href="http://8.8.4.4">8.8.4.4</a> -x 8.8.8.8` answers `</span><span style="font-family:monospace">dns.google.` for example</span></div><div><span style="font-family:monospace">3. Confirm your RIR or provider has working NS set for the range. Query directly the NS you think should be working.</span></div><div><span style="font-family:monospace">4. `</span>+[no]trace This option toggles tracing of the delegation path from the root name servers for the name being looked up.`</div><div>5. It sounds like your dig is answering correctly.</div><div>`</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Sep 29, 2022 at 3:51 PM Mike Hodson <<a href="mailto:mystica@gmail.com">mystica@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">I'm attempting to figure out how/why my reverse DNS delegation is broken.<div>I've already deleted systemd-resolved's temporary resolv.conf and added in an immutable single line </div><div>nameserver 1.1.1.1</div><div>resolv.conf.</div><div><br>I can dig +trace forward hostnames fine.</div><div>I cannot dig -x an ip <a class="gmail_plusreply" id="m_4684402467085593239plusReplyChip-2">+trace.</a></div><div>All I get is the root-servers instead of any sort of reverse looking up happening at all.</div><div>What am I doing wrong?</div><div><br></div><div>Thanks,</div><div><br></div><div>Mike</div><div><br></div><div><span style="font-family:monospace"><span style="color:rgb(0,0,0)">$ dig -x 208.x.x.x +trace
</span><br>
<br>; <<>> DiG 9.18.1-1ubuntu1.1-Ubuntu <<>> -x 208.x.x.x +trace
<br>;; global options: +cmd
<br>. 509855 IN NS <a href="http://a.root-servers.net" target="_blank">a.root-servers.net</a>.
<br>. 509855 IN NS <a href="http://b.root-servers.net" target="_blank">b.root-servers.net</a>.
<br>. 509855 IN NS <a href="http://c.root-servers.net" target="_blank">c.root-servers.net</a>.
<br>. 509855 IN NS <a href="http://d.root-servers.net" target="_blank">d.root-servers.net</a>.
<br>. 509855 IN NS <a href="http://e.root-servers.net" target="_blank">e.root-servers.net</a>.
<br>. 509855 IN NS <a href="http://f.root-servers.net" target="_blank">f.root-servers.net</a>.
<br>. 509855 IN NS <a href="http://g.root-servers.net" target="_blank">g.root-servers.net</a>.
<br>. 509855 IN NS <a href="http://h.root-servers.net" target="_blank">h.root-servers.net</a>.
<br>. 509855 IN NS <a href="http://i.root-servers.net" target="_blank">i.root-servers.net</a>.
<br>. 509855 IN NS <a href="http://j.root-servers.net" target="_blank">j.root-servers.net</a>.
<br>. 509855 IN NS <a href="http://k.root-servers.net" target="_blank">k.root-servers.net</a>.
<br>. 509855 IN NS <a href="http://l.root-servers.net" target="_blank">l.root-servers.net</a>.
<br>. 509855 IN NS <a href="http://m.root-servers.net" target="_blank">m.root-servers.net</a>.
<br>. 509855 IN RRSIG NS 8 0 518400 20221012170000 20220929160000 20826 . FkcsBmNz2oK02ARhYfNSfxbnEL93RITDteQtHQoPn8zHZg9B6BRXqkH9 +UpAEViDraX+4l8YJiUvYzrHh9twpQry0vv7xgDLoDdU9kRqokG5DEoq Ueqph6qleC6Vylga4f1MzW<br>N+Dh9zK9/eCSp6WxwgbnW53a9GMDbI5KWZ WkcWw3IPHVvVwDZfWhrKJtKZ3hafsGgmigm9F01Xk17prOAS6jBbvYjT jCUyTl3UZJ+bAKS4tkpFdjp78raxBKBQPN6TzdLjtxYQrhriZZ3Gjdcg dT+WQkLGYuyeakm2JqVe9vXGMGn0XkZEGMYnh7iW80N1XHyBMfhzGO+s 61zvWA==
<br>;; Received 1097 bytes from 1.1.1.1#53(1.1.1.1) in 12 ms<br>
<br></span><a class="gmail_plusreply"><br></a></div></div>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr">- Andrew "lathama" Latham -</div></div>