[23355] in North American Network Operators' Group
Re: domain IN-ARPA.ADDR
daemon@ATHENA.MIT.EDU (Steven J. Sobol)
Tue Mar 16 10:25:27 1999
Date: Tue, 16 Mar 1999 10:20:51 -0500
From: "Steven J. Sobol" <sjsobol@nacs.net>
To: Jin Yixin <yjin@CS.UCLA.EDU>, nanog@merit.edu
In-Reply-To: <Pine.SOL.3.96.990315175621.6818E-100000@cheetah.cs.ucla.edu>; from Jin Yixin on Mon, Mar 15, 1999 at 06:02:07PM -0800
> I was trying to find a way to check whether an IP address is used by some
> host without actually probing it. DNS sounds like a good way to go, but
> I'v heard that domain "IN-ARPA.ADDR" is not well maintained and updated.
>
> Is that true? If so, how un-dependable it could be?
Very. Some ISP's don't maintain rDNS at all.
--
Steve Sobol sjsobol@nacs.net (AKA support@nacs.net and abuse@nacs.net)
"The world is headed for mutiny/When all we want is unity"
--Creed, "One"