On 12.08.10 12:02, Phil Mayers wrote: > We've had a report this morning that a user can't resolve: > > 71.225.219.134.in-addr.arpa PTR > > ...I think this is because the parent zone NS records point to CNAMEs. I > can see references to (much) older versions of bind not following such > delegations, but I'm not getting anything logged at the nameserver.
I don't know if it's older versions of BIND, but yes, the delegation for 219.134.in-addr.arpa. is broken: % dig any 219.134.in-addr.arpa @w.arin.net. [...] ;; AUTHORITY SECTION: 219.134.in-addr.arpa. 86400 IN NS dns1.rhbnc.ac.uk. 219.134.in-addr.arpa. 86400 IN NS dns0.rhbnc.ac.uk. % dig any 219.134.in-addr.arpa @dns0.rhbnc.ac.uk. [...] ;; ANSWER SECTION: 219.134.in-addr.arpa. 86400 IN SOA auth1.dns.rhul.ac.uk. hostmaster.rhul.ac.uk. 2010081101 14400 1800 1209600 86400 219.134.in-addr.arpa. 86400 IN NS dns3.rhul.ac.uk. 219.134.in-addr.arpa. 86400 IN NS dns2.rhul.ac.uk. ;; ADDITIONAL SECTION: dns2.rhul.ac.uk. 86400 IN A 134.219.101.211 dns3.rhul.ac.uk. 86400 IN A 134.219.101.212 ... dns0.rhbnc.ac.uk. 86400 IN CNAME dns2.rhul.ac.uk. dns1.rhbnc.ac.uk. 86400 IN CNAME dns3.rhul.ac.uk. > Is this still the case (that NS->CNAME is invalid)? yes. -- Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. Micro$oft random number generator: 0, 0, 0, 4.33e+67, 0, 0, 0... _______________________________________________ bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
