In message <001301d01f06$aa1c7180$fe555480$@iname.com>, "Frank Bulk" writes: > I dumped the database of one failing server and found this entry: > > ; authauthority > ghs.l.google.com. 331 \-AAAA ;-$NXRRSET > ; l.google.com. SOA ns4.google.com. dns-admin.google.com. 1577084 900 900 > 1800 60 > ; authanswer > 289 A 74.125.201.121 > ; > > What does the "\-AAAA ;-$NXRRSET" mean?
It means that there is a negative cache entry for AAAA lookup. The SOA record that will be returned is in the comment. For responses from signed zones you will also see NSEC / NSEC3 records in the comments as well as RRSIG. NXRRSET (No Such RRset). NXDOMAIN (No Such Domain). > Working server shows this in the dump: > ; authanswer > ghs.l.google.com. 287 AAAA 2607:f8b0:4001:c08::79 > ; > > Regards, > > Frank Bulk -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
