[131732] in North American Network Operators' Group

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Re: IPv6 rDNS

daemon@ATHENA.MIT.EDU (David Freedman)
Tue Nov 2 13:50:11 2010

To: nanog@nanog.org
From: David Freedman <david.freedman@uk.clara.net>
Date: Tue, 02 Nov 2010 17:49:55 +0000
X-Complaints-To: usenet@dough.gmane.org
In-Reply-To: <Pine.LNX.4.64.1011021736160.22334@a84-22-97-10.cb3rob.net>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

Sven Olaf Kamphuis wrote:
> would be interested in anybody other
> than IRC operators who feel they still require forward and reverse DNS
> to match,
> 
> SMTP, email-2 (don't ask ;), and preferably (though not required)
> anything that has to do with /bin/login on *nix systems (as it shows the
> reverse dns host name in who and w and last unless specified otherwise).

Well, at least with DNSSEC, you can assure the end user that the
wildcarding was intentional (through validation), I dont see why those
systems shouldn't be acceptant of intentionally obscured hosts in the
future ?

Saying that, I quite like the idea of dynamically providing a response
to both AAAA and PTR queries but question how safe it would be to cache
these without a robust resource-managing implementation...


Dave.




-- 


David Freedman
Group Network Engineering
Claranet Group



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