RE: [MLUG] Internal Only DNS Server?

["Spurling, Shannon" <EMAIL:PROTECTED>]

You just have to put the zone file at the level that you want it to
resolve. You could make your DNS server a root server, but nobody's
going to use it because it's not authoritative. Trick is to remember
what the root of your zone file is, and make sure all the records in it
are set up in relation to that zone file. One little irritating point is
that once you resolve for a "Level", you will answer for that "level".
Example:
Zone file for Foo.bar.com

@origin foo.bar.com.
Foo.bar.com		in	soa	ns1.foo.bar.com
postmaster.mail.foo.bar.com ( 100 100 100 100 100 )
			In	ns	ns1.foo.bar.com.
www			in	a	10.0.0.10
mail			in	a	10.0.0.12

So, if you ask this server for ftp.foo.bar.com, you will get an
non-existant domain name response from this server, even if that name
exists on the server that is at the end of the resolution based on the
real root name servers. Confused? Yeah, me too. :-) So, make sure that
the domains you set your server up for are domains that you don't want
to reach the real servers for, or you will need to change your DNS
servers to reach it.


Shannon Spurling
WAN Engineer -Specialist

MOREnet, Network Services, Core Network
3212 LeMone Industrial Blvd.
Columbia, MO 65201

Main:(573) 884-7200   Fax:(573)884-6673

EMAIL:PROTECTED
EMAIL:PROTECTED


-----Original Message-----
From: EMAIL:PROTECTED
[mailto:EMAIL:PROTECTED] On Behalf Of Stephen
Montgomery-Smith
Sent: Monday, December 13, 2004 8:29 PM
To: MLUG Members
Subject: Re: [MLUG] Internal Only DNS Server?

Jerry Gamblin wrote:
> I need to try to put together a DNS Server. I want to be able to
> designate a small handful of sites and internal host that the server
> will resolve but wont resolve other servers. Would you guys use BIND
> or another DNS server and what would be the easiest way to do it?
> 
> I've done DNS on an M$ Server but not a nix box yet Its going to be
> for a testing center that needs to be able to access one site on the
> net but not all of them.
> 

I have my own DNS server using BIND.  It works well.

But I have to admit that I would have no idea how to make a DNS server 
that would resolve only certain sites.
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