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Date:      Wed, 27 Jun 2001 08:10:28 -0700
From:      "Kevin Oberman" <oberman@es.net>
To:        "Peter Brezny" <peter@sysadmin-inc.com>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: dns tool for reverse lookup of network range needed 
Message-ID:  <200106271510.f5RFASc24160@ptavv.es.net>
In-Reply-To: Your message of "Tue, 26 Jun 2001 15:41:00 EDT." <NFBBKAEAALGGGFKINBLAIEENCAAA.peter@sysadmin-inc.com> 

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> From: "Peter Brezny" <peter@sysadmin-inc.com>
> Date: Tue, 26 Jun 2001 15:41:00 -0400
> Sender: owner-freebsd-questions@FreeBSD.ORG
> 
> Is there a too for freebsd that could help with checking the reverse lookup
> of an entire subdomain?
> 
> I looked around in the man page for dig, and saw the -f [file] option, but
> i'd still have to setup a file with each ip in it...

Try dnswalk. It's part of the bind contributions and is quite good at
finding DNS problems. It must be un on a system that can do a zone
transfer of the zone to be checked. It's in ports
(/usr/ports/net/dnswalk).

R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman@es.net			Phone: +1 510 486-8634

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