issue setting up Internal DNS server

[Barry Margolin]

In article <bjl3e3$1nta$1 at sf1.isc.org>,
Yunus Mansuri  <Yunus.Mansuri at poports.com> wrote:
>Hi All,
>I have issue setting up Internal DNS server. The problem I have is when
>internal DNS server do not find entry in it's zone file for a particular
>host it gives NXDOMIAN error and it's not doing forwarding to our External
>DNS which has that entry for that host in that domain
>What I want the internal DNS should do is: 
> 1. Try to resolve queries for adepartment.adomain.com or forward them to
>the public DNS in case the name cannot be resolved, Regulary the DNS
>returns a NOERROR at this point. 
> 2. Forward all other requests (i.e. not including  adepartment.adomain.com)
>to the external DMZ DNS and not return NXDOMAIN 

If the server is authoritative (master or slave) for a zone, it will never
forward queries for names in that zone.  If you're using a domain both
internally and externally, you will have to duplicate the external entries
on the internal server.

-- 
Barry Margolin, barry.margolin at level3.com
Level(3), Woburn, MA
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