[146142] in North American Network Operators' Group
Re: Performance Issues - PTR Records
daemon@ATHENA.MIT.EDU (Paul Ebersman)
Fri Nov 4 22:45:44 2011
To: nanog@nanog.org
From: Paul Ebersman <list-nanog2@dragon.net>
In-reply-to: <80cdf68e-c9b5-42bb-bfc0-bebfc0cb83d0@mail.pelican.org>
Date: Fri, 04 Nov 2011 19:44:42 -0700
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
tim> If PTR exists in zone file, serve it. Else, synthesize generic
tim> reverse. Jobsagoodun.
If all we're doing is lying with some generic answer that we hack our
server to produce, why are we bothering?
At that point, you're not proving clue. You're proving you at least
bought a solution from someone with a clue...
My contention is that (at least for end hosts), PTR records are mostly
pointless and just overhead for DNS servers.
