From: /dev/rob0 (rob0gmx.co.uk)
Date: Fri Jun 03 2005 - 09:33:47 CDT

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valentin_nilsbe-known-online.com wrote:
> I try to make a test setup for a customer. So I created the "mydomain.net"
> (sample) and update my /etc/hosts, /etc/resolv.conf and binds DNS files.

For a test setup, the best bet is to make a real subdomain of a real
domain. As an alternative you could use a non-existent TLD. My personal
standard for internal DNS is sitename.lan.

> I already made sure that the "search ..." entry in /etc/resolv.conf points
> to the intranet ip address.

The search line should be domain names, not an IP address. "man 5
resolver". You want the internal DNS as your only "nameserver
ip.add.re.ss" line. (Assuming that said nameserver is capable of
resolving real names, of course.)

> Again, looking up the domain with host, dig ping etc. all point me to the
> intranet address.
>
> Where is Postfix looking for the DNS info ? Any ideas ?

Depends on your /etc/nsswitch.conf and libraries, might vary by OS.
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