dns delegation and recursion

Barry Margolin barmar at alum.mit.edu
Tue Feb 28 01:51:10 UTC 2006

In article <dtumto$1pup$1 at sf1.isc.org>,
 (TM)U?II? ?OU?I?IE <skor at hellug.gr> wrote:

> Hi all.
> I have an authoritative only dns server running bind 9.
> Is there any way I can permit recursion for specific zones?
> For example I have a zone example.com which delegates some sub domains
> to other nameservers.
> sub.example.com.	IN NS other.dns.server.
> I prefer not to enable recursion globaly.

Why do you think you need this?  The queries that come in to your server 
will most likely not have the Recursion Desired flag set.  So even if 
you allowed recursion, it wouldn't be requested so you wouldn't do it.

Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***
*** PLEASE don't copy me on replies, I'll read them in the group ***

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