Re: DNS Forwarders - weird question

From: Herb Martin (news_at_LearnQuick.com)
Date: 12/21/04 

Date: Tue, 21 Dec 2004 12:02:33 -0600

"Daern's Instant Fortress" <daern@hotmail.com> wrote in message
news:e7b6BI45EHA.1564@TK2MSFTNGP09.phx.gbl...

> servers. This works fine.
>
> We now require to resolve hosts on the parent company's network.

Conditional Forwarding would be the standard
answer since you have Win2003 (the feature is
new.)

> Fortunately, all of their hosts are in the form host.bigcompany.com which
> means I can add a DNS domain forwarder for *.bigcompany.com to point to
> their DNS servers and all is well. Their hosts resolve off their DNS
servers
> and the rest of the internet resolves off our ISP's hosts. This works well
> and I was happy until...
>
> It turns out that some hosts (notably www.bigcompany.com) *do not* resolve
> on their internal DNS servers. Thus when my DNS server forwards these
> requests to bigcompany's internal DNS servers, it breaks. The annoying
thing
> is that some other sites (e.g. intranetsite.bigcompany.com) resolve
> differently from the internet than they do from bigcompany's internal DNS
> servers. (I need the addresses resolved on the internal network).

If you can identify those hosts (the public list is likely
a small subset) you can set a more specific condition
on JUST those hosts to point to your ISP or even directly
to theirs.

> Frankly it's a right old mess and I'm a bit stuck on how to do this with
> Windows 2003 DNS.

(More) Specific Conditional forwarding.

> Have any of you DNS gurus got any suggestions for other avenues that I can

You were almost there yourself. 

-- 
Herb Martin
try...?
>
> Many thanks,
>
> Daern.
>
>

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