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

Tony Finch dot at dotat.at
Fri Mar 16 13:54:05 UTC 2012

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.

f.anthony.n.finch  <dot at dotat.at>  http://dotat.at/
Northwest FitzRoy, Sole, Lundy, Fastnet: Westerly or southwesterly 5 to 7,
occasionally gale 8 in northwest Fitzroy. Moderate or rough, occasionally very
rough in Sole. Rain or squally showers. Good, occasionally poor.

More information about the dns-operations mailing list