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Date: Sun, 14 Jan 2007 22:55:01 +0100
From: "Christian Walther" <cptsalek@gmail.com>
To: "Grant Peel" <gpeel@thenetnow.com>
In-Reply-To: <008f01c737e9$c5518470$6501a8c0@GRANT>
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References: <007e01c737d7$20573170$6501a8c0@GRANT>
	<e572718c0701140621m39011e2cjdd2424cf07038fc@mail.gmail.com>
	<008f01c737e9$c5518470$6501a8c0@GRANT>
Cc: freebsd-questions@freebsd.org, Pietro Cerutti <pietro.cerutti@gmail.com>
Subject: Re: Identifying a Remote Machine.
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On 14/01/07, Grant Peel <gpeel@thenetnow.com> wrote:
> ACtually no,
>
> Sory if the question was vauge,
>
> What I am looking to do is to create a tool that will identify what MACHINE
> (not domain) an ip is being used on.

What about connecting to every domainname and quering the hostname?
Something like

for ip in <domainlist>
do
  physicalhostname=`ssh $ip "hostname"`
  echo "$ip $physicalhostname"
done

This should work for a sh compatible shell script. It should be easy
to do something similar in php.