<div dir="ltr"><div>Hi,</div><div>I'm using bind-9.18.15 on fedora37 and I'm trying to understand and troubleshoot some errors I'm receiving in the debug logs:</div><div><br></div><div>31-May-2023 16:58:11.399 query-errors: info: client @0x7f8d18203b68 127.0.0.1#56268 (<a href="http://bounce.bwnews.bestwestern.com/" target="_blank">bounce.bwnews.bestwestern.com</a>): query failed (SERVFAIL) for <a href="http://bounce.bwnews.bestwestern.com/IN/NS" target="_blank">bounce.bwnews.bestwestern.com/IN/NS</a> at ../../../lib/ns/query.c:7060<br>31-May-2023 16:58:11.536 query-errors: info: client @0x7f8d00a1d568 127.0.0.1#38026 (<a href="http://email.bestwesternrewards.com/" target="_blank">email.bestwesternrewards.com</a>): query failed (SERVFAIL) for <a href="http://email.bestwesternrewards.com/IN/NS" target="_blank">email.bestwesternrewards.com/IN/NS</a> at ../../../lib/ns/query.c:7060<br></div><div>31-May-2023 17:12:22.905 query-errors: client @0x7f53d920e368 68.195.111.45#54508 (_<a href="http://dmarc.email.bestwesternrewards.com/" target="_blank">dmarc.email.bestwesternrewards.com</a>): query failed (SERVFAIL) for _<a href="http://dmarc.email.bestwesternrewards.com/IN/TXT" target="_blank">dmarc.email.bestwesternrewards.com/IN/TXT</a> at ../../../lib/ns/query.c:7060<br>31-May-2023 17:12:22.921 query-errors: client @0x7f53d91aeb68 68.195.111.45#54508 (<a href="http://mail8140.bwnews.bestwestern.com/" target="_blank">mail8140.bwnews.bestwestern.com</a>): query failed (SERVFAIL) for <a href="http://mail8140.bwnews.bestwestern.com/IN/TXT" target="_blank">mail8140.bwnews.bestwestern.com/IN/TXT</a> at ../../../lib/ns/query.c:7060<br>31-May-2023 17:12:22.928 query-errors: client @0x7f53da5deb68 68.195.111.45#53653 (<a href="http://bounce.bwnews.bestwestern.com/" target="_blank">bounce.bwnews.bestwestern.com</a>): query failed (SERVFAIL) for <a href="http://bounce.bwnews.bestwestern.com/IN/TXT" target="_blank">bounce.bwnews.bestwestern.com/IN/TXT</a> at ../../../lib/ns/query.c:7060<br></div><div><br></div><div>Is Best Western actually having such DNS problems? Even just a simple "host" command shows something is wrong:</div><div><br></div><div>$ host <a href="http://mail8140.bwnews.bestwestern.com/" target="_blank">mail8140.bwnews.bestwestern.com</a></div><a href="http://mail8140.bwnews.bestwestern.com/" target="_blank">mail8140.bwnews.bestwestern.com</a> has address 129.41.76.129<br>Host <a href="http://mail8140.bwnews.bestwestern.com/" target="_blank">mail8140.bwnews.bestwestern.com</a> not found: 2(SERVFAIL)<br><a href="http://mail8140.bwnews.bestwestern.com/" target="_blank">mail8140.bwnews.bestwestern.com</a> mail is handled by 5 <a href="http://mail8140.bwnews.bestwestern.com/" target="_blank">mail8140.bwnews.bestwestern.com</a>.<div><br></div><div>On another server, I'm receiving a bit more information:</div><div>31-May-2023 17:13:28.845 lame-servers: FORMERR resolving '<a href="http://mail8140.bwnews.bestwestern.com/AAAA/IN" target="_blank">mail8140.bwnews.bestwestern.com/AAAA/IN</a>': 205.251.194.123#53<br>31-May-2023 17:13:28.845 query-errors: client @0x7f655c820168 127.0.0.1#50563 (<a href="http://mail8140.bwnews.bestwestern.com/" target="_blank">mail8140.bwnews.bestwestern.com</a>): query failed (failure) for <a href="http://mail8140.bwnews.bestwestern.com/IN/AAAA" target="_blank">mail8140.bwnews.bestwestern.com/IN/AAAA</a> at ../../../lib/ns/query.c:7779<br></div><div><br></div><div>What is the impact of these messages?</div><div><br></div><div><div>I'm also receiving many timeout problems.</div><div><br></div><div>31-May-2023 17:00:51.990 query-errors: info: client @0x7f8d00a1b968 127.0.0.1#56239 (_<a href="http://dmarc.zoominfo.com/" target="_blank">dmarc.zoominfo.com</a>): query failed (timed out) for _<a href="http://dmarc.zoominfo.com/IN/TXT" target="_blank">dmarc.zoominfo.com/IN/TXT</a> at ../../../lib/ns/query.c:7779<br></div><div>31-May-2023 17:00:52.172 query-errors: info: client @0x7f8d00de5168 127.0.0.1#30280 (<a href="http://travel-assets.com.fresh30.spameatingmonkey.net/" target="_blank">travel-assets.com.fresh30.spameatingmonkey.net</a>): query failed (timed out) for <a href="http://travel-assets.com.fresh30.spameatingmonkey.net/IN/A" target="_blank">travel-assets.com.fresh30.spameatingmonkey.net/IN/A</a> at ../../../lib/ns/query.c:7779<br></div><div>31-May-2023 17:03:52.542 query-errors: client @0x7f53da961d68 68.195.111.45#50747 (<a href="http://31.57.89.167.bb.barracudacentral.org/" target="_blank">31.57.89.167.bb.barracudacentral.org</a>): query failed (timed out) for <a href="http://31.57.89.167.bb.barracudacentral.org/IN/A" target="_blank">31.57.89.167.bb.barracudacentral.org/IN/A</a> at ../../../lib/ns/query.c:7779<br></div><div><br></div><div>I think the last two occur on multiple servers, leading me to believe they actually have a problem? Barracuda requires that you register your IP with them, and I've done that, but other queries with them work just fine, even from servers that aren't registered.</div><div><br></div><div>Could this be a bind tuning problem? Neither server where I ran these tests are having resource issues that I know of.<br></div></div><div><br></div><div>Any ideas on how to troubleshoot these to confirm it's not a problem with my own server would be greatly appreciated.</div><div><br></div><div>Thanks,</div><div>Alex</div></div>