Re: mysterious failures/wrong-answers in reverse DNS lookup
"Jeremy C. Reed" <[email protected]>
| Newsgroups | gmane.network.dns.bind9.user |
|---|---|
| Message-ID | <89dda5d-929f-d1ed-4856-cad5b4c3f25__44161.8358645187$1753284418$gmane$org@reedmedia.net> |
On Wed, 23 Jul 2025, Michael Richardson wrote: > When I ask from the IETF123 network: > > ;; SERVER: 31.130.231.0#53(31.130.231.0) (UDP) > ;; ANSWER SECTION: > d.0.0.f.e.b.a.b.0.0.0.0.0.0.0.0.0.0.0.0.f.0.0.0.0.b.0.f.7.0.6.2.ip6.arpa. 7200 IN PTR nic.sandelman.ca. > > which is entirely correct. Probably 31.130.231.0 got the answer from @sns.cooperix.net. (instead of @nic.sandelman.ca.) ... nic.sandelman.ca. is also authoritatively serving: 0.0.0.0.0.0.0.0.0.0.0.0.f.0.0.0.0.b.0.f.7.0.6.2.ip6.arpa. 86400 IN SOA . . 0 28800 7200 604800 86400 0.0.0.0.0.0.0.0.0.0.0.0.f.0.0.0.0.b.0.f.7.0.6.2.ip6.arpa. 0 IN NS . That may give you a clue. You may have two zones serving the same. -- Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list ISC funds the development of this software with paid support subscriptions. Contact us at https://www.isc.org/contact/ for more information. bind-users mailing list [email protected] https://lists.isc.org/mailman/listinfo/bind-users