Behaviour of a recursive DNS server
JINMEI Tatuya / 神明達哉
Jinmei_Tatuya at isc.org
Wed Jun 11 06:18:32 UTC 2008
At Wed, 11 Jun 2008 14:07:24 +0800,
"yjchu" <yjchui at cht.com.tw> wrote:
> Because www.google.com.tw 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.
Internet Systems Consortium, Inc.
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