Behaviour of a recursive DNS server

JINMEI Tatuya / 神明達哉 Jinmei_Tatuya at
Wed Jun 11 06:18:32 UTC 2008

At Wed, 11 Jun 2008 14:07:24 +0800,
"yjchu" <yjchui at> wrote:

> Because does not have AAAA record type (IPv6 address), so
> it reply CNAME only for this query.
> The problem is: Can a DNS server be made ignore AAAA query rather than reply
> with CNAME record if the domain name does not have any IPv6 address? 

BIND can't (and IMO shouldn't).  As I said repeatedly, this is the
expected and common response in this situation; it's the NAT-PT box
(or whatever issues the A/AAAA queries) that should be fixed, rather
than the one that shows the expected behavior.

JINMEI, Tatuya
Internet Systems Consortium, Inc.

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