[dns-operations] NS answer inconsistency between implementations for delegated zone

[Tony Finch]

Remi Gacogne <listes+dns-operations at valombre.net> wrote:
>
> I noticed a difference in the behavior of bind, powerdns (using bind or
> MySQL backend) and nsd regarding the answer to an NS query for a
> delegated zone. Powerdns is responding to the query by putting
> corresponding NS RRs into the ANSWER section, whereas bind and nsd are
> putting them into the AUTHORITY section.
>
> I am not sure what the correct answer is, as I haven't found a clear
> specification on this case yet.

BIND and NSD are correct. See RFC 2181 section 6.1.

Tony.
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