NS records for subzone cause BIND 9 failures

Barry Margolin barmar at alum.mit.edu
Tue Mar 22 00:26:26 UTC 2005

In article <d1nl94$2fh6$1 at sf1.isc.org>, Kurt Boyack <kboyack at gmail.com> 

> When a parent zone has subzone data in it, NS records for the subzone
> will cause BIND 9 servers to fail to resolve any of the subzone's
> data. The problem does not exist with 8.2.3, but does with 9.2.1 and
> 9.3.0.

A parent zone should not have subzone data in it in the first place, 
except for delegation NS records and glue records if necessary.

> I have a feeling that the reason for this is that BIND 9 is stricter,
> but have not been able to find any documentation that says if NS
> records should or should not be present in this case.

NS records are required, to indicate that the subzone is delegated.

> The zones in question are internal and the NS records are coming from
> Microsoft servers.

Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***

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