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Date: Tue, 19 Aug 2008 12:44:05 +1000
From: Fraser Tweedale <frase@frase.id.au>
To: Paul Schmehl <pauls@utdallas.edu>
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Cc: FreeBSD Questions <questions@freebsd.org>
Subject: Re: How to use dig with an ip list
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On Mon, Aug 18, 2008 at 09:03:36PM -0500, Paul Schmehl wrote:
> I know I'm missing the obvious.  I want to use an IP list to generate an=
=20
> ip+hostname list.  IOW, I want to go from this:
>=20
> x.x.x.x
> y.y.y.y
>=20
> to this;
>=20
> x.x.x.x foo.domain.tld
> y.y..y.y bar.domain.tld
>=20
> What's the best/easiest way to do this?
>=20
> Paul Schmehl (pauls@utdallas.edu)
> Senior Information Security Analyst
> The University of Texas at Dallas
> http://www.utdallas.edu/ir/security/

dig(1) - see section `MULTIPLE QUERIES'
note the -x flag to instruct dig to perform a reverse lookup

see also host(1)

frase

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