Windows 2K DC A Record Visible When Running Nslookup against doma in name

[Jim D. Kirby]

I've noticed this as well.  Or suspicion is it's just MS's way of taking
control of the zone.  It does not overwrite any existing A records, but we
did not want our DCs populated this way and have disabled updates to the
primary zone file.  We did create _msdcs, _tcp, _udp, and _sites subdomains
under the primary zone and allow the DCs to update those zones.  AD/Win2K
clients find their DCs from those zones.

So far so good, although we have not yet migrated this setup into our
production network.  Want to test Bind 9 first.

Jim Kirby
Wells' Dairy, Inc.
http://bluebunny.com

-----Original Message-----
From: Vyto Grigaliunas [mailto:vyto at fnal.gov]
Sent: Friday, January 19, 2001 11:13 AM
To: Smith, William E., Jr.; bind-users at isc.org
Subject: Re: Windows 2K DC A Record Visible When Running Nslookup
against doma in name



Hi...

I've noticed that two and I think it's because the W2K DC's create A records
associated with the domain itself as well...why, I don't know (I seem to say
that a lot about Microsoft), but then again we're just starting to set up a
testbed...probably how AD clients find their DC's ???

Vyto Grigaliunas
Fermi National Accelerator Lab

----- Original Message -----
From: "Smith, William E., Jr." <Bill.Smith at jhuapl.edu>
To: <bind-users at isc.org>
Sent: Friday, January 19, 2001 10:52 AM
Subject: Windows 2K DC A Record Visible When Running Nslookup against doma
in
name


>
> This morning I noticed that when I run nslookup domain name, that the
output
> returns not only the one entry I was expecting but the IP address of the
two
> DC's we currently have running.  We're allowing the DC's (currently at
> least) to update their own A record. If we entered the A record manually,
> I'm not certain I'd see this behavior.  Has anyone noticed or seen this
> behavior?
>
> Bill Smith
> <mailto:bill.smith at jhuapl.edu>
> The Johns Hopkins University                    Washington DC:
240-228-5523
> Applied Physics Laboratory                      MD: 443-778-5523
> 11100 Johns Hopkins Road                        Fax: 443-778-5727
> Laurel, MD 20723-6099                           Web:
> <http://www.jhuapl.edu/>
>
>