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From: 08071TCP@MSU.EDU (Doug Nelson)
Newsgroups: comp.protocols.tcp-ip
Subject: Re: Confirming DNS name matches local host name
Message-ID: <9106012235.AA22008@ucbvax.Berkeley.EDU>
Date: 31 May 91 17:12:59 GMT
References: <bcstec!bcstec.uucp@uunet.uu.net>
Sender: daemon@ucbvax.BERKELEY.EDU
Reply-To: Doug Nelson <NELSON@msu.edu>
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>Given an internet IP, is there a way to retrieve what the host at that IP
>actually calls itself. In other words, I want to confirm that what DNS
>says actually matches the local host name.
>
>I thought telneting in through the "smtp" port and capturing the output
>would be an option but the "smtp" output resists capture.
>
>Any help or suggestions would be greatly appreciated.

Checking the SMTP port is probably the best way - I have done exactly
what you described.  Maybe you need to move to a different platform to
capture the SMTP port output - I had no difficulty doing this with SunOS
(Unix) Telnet.

Doug Nelson
Michigan State University