Forwarding for authoritative domain.

Barry Margolin barmar at alum.mit.edu
Mon Apr 21 05:09:18 UTC 2008


In article <fudo01$1h43$1 at sf1.isc.org>,
 Terpasaur <emery.rudolph at gmail.com> wrote:

> Hello,
> 
> Please pardon me if this appears multiple times. It was originally
> blocked. :-)
> 
> 
> Here is my dilema.
> 
> I have a master BIND server (9.2.4) at location 1. I am creating a
> external slave and internal master at location 2. The master zone file
> int the internal nameserver at location 2 is the same domain name as
> the external nameservers, but holds the non-routable private
> addresses. My problem is that because the master zone has the same
> zone domain name as the external nameservers, it will never query the
> external servers for resource that only exist in the external DNS,
> thus it is not able to resolve the external names.
> 
> As you know, you cannot place a forwarders option in a master zone,
> because it will not attempt to forward for addresses it is
> authoritative for. My question is if anyone has any ideas of a
> workaround other than moving the
> internal DNS to a different domain name???

1. Duplicate the public records in the internal zone.

2. Delegate the public names in the internal zone, e.g.

www IN NS external-ns.company.com.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE don't copy me on replies, I'll read them in the group ***


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