should named return nxdomain when CNAME can't be resolved?
Paul Vixie
Paul_Vixie at isc.org
Mon Oct 15 18:06:58 UTC 2007
> Yes, you're right. If recursion is disabled CNAME should be returned. But
> I'm talking about situation when server is asked for AAAA record and
> recursion is allowed. In this case server should return AAAA record or
> NXDOMAIN but not CNAME.
a nonterminal cname chain means the same as an empty answer, whether or not
recursion is available or desired. clients who look at ANCOUNT!=0 without
looking to see whether the answer section contains responsive data are broken.
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