Re: system names from IP

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From: John "Jack" Repenning
Date: Mon, 14 Dec 1992 17:58

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In article <1992Dec14.172453.26933@den.mmc.com> beck@enterprise.den.mmc.com (Fred R. Beck) writes:

   Has anyone out there ever tried to resolve a system name
   from an IP number?

It turns out to be even easier than one other responder suggests.
I've never seen documentation that admits this (so it's probably
totally unofficial), but every version of nslookup I've ever tried
will accept:

	nslookup <<EOF
	set q=ptr
	$1
	EOF

That is, you don't need the shell-game to reverse the address and add
"in-addr.arpa".

Technical Details

Message-ID: <JACKR.92Dec14175813@dblues.wpd.sgi.com>

Path:

arc1-ca.pugleaf.net!sparky!uunet!cis.ohio-state.edu!zaphod.mps.ohio-state.edu!cs.utexas.edu!sun-barr!ames!sgi!fido!fido!jackr

References: <1992Dec14.172453.26933@den.mmc.com>

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Path: arc1-ca.pugleaf.net!sparky!uunet!cis.ohio-state.edu!zaphod.mps.ohio-state.edu!cs.utexas.edu!sun-barr!ames!sgi!fido!fido!jackr
From: jackr@wpd.sgi.com (John "Jack" Repenning)
Newsgroups: comp.sys.sgi.admin
Subject: Re: system names from IP
Date: 14 Dec 92 17:58:13
Organization: Silicon Graphics, Inc.
Lines: 17
Message-ID: <JACKR.92Dec14175813@dblues.wpd.sgi.com>
References: <1992Dec14.172453.26933@den.mmc.com>
NNTP-Posting-Host: dblues.wpd.sgi.com
In-reply-to: beck@enterprise.den.mmc.com's message of 14 Dec 92 17:24:53 GMT

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