nanog mailing list archives
Re: ATTBI refuses to do reverse DNS?
From: woods () weird com (Greg A. Woods)
Date: Tue, 18 Jun 2002 23:14:52 -0400 (EDT)
[ On Tuesday, June 18, 2002 at 17:29:18 (-0400), Stephen Griffin wrote: ]
Subject: Re: ATTBI refuses to do reverse DNS? The lack of clue tends to be on the providing in-addr side of things. I think it is a great thing to refuse connections from ips without in-addr, in the same way it is great to refuse mail from domains that don't provide postmaster addresses.
Providing or not providing reverse DNS is not really the central issue here -- it is whether the reverse DNS is correct, i.e. consistent with the "forward" hostnames, or not, that really matters. Usually it's better to have no reverse DNS at all than to have broken reverse DNS. I agree though it's much better to always have correct reverse DNS! ;-) -- Greg A. Woods +1 416 218-0098; <gwoods () acm org>; <g.a.woods () ieee org>; <woods () robohack ca> Planix, Inc. <woods () planix com>; VE3TCP; Secrets of the Weird <woods () weird com>
Current thread:
- Re: ATTBI refuses to do reverse DNS?, (continued)
- Re: ATTBI refuses to do reverse DNS? Chris Woodfield (Jun 19)
- Re: ATTBI refuses to do reverse DNS? Daniel Senie (Jun 19)
- Re: ATTBI refuses to do reverse DNS? Frank P. Tower (Jun 19)
- RE: ATTBI refuses to do reverse DNS? Jim Popovitch (Jun 19)
- Re: ATTBI refuses to do reverse DNS? Stephen Griffin (Jun 19)
- Re: ATTBI refuses to do reverse DNS? Stephen Sprunk (Jun 18)
- Re: ATTBI refuses to do reverse DNS? Jared Mauch (Jun 18)
- Message not available
- Re: ATTBI refuses to do reverse DNS? Jared Mauch (Jun 18)
- Message not available
- Re: ATTBI refuses to do reverse DNS? Jared Mauch (Jun 19)
- Re: ATTBI refuses to do reverse DNS? Greg A. Woods (Jun 18)
- Re: ATTBI refuses to do reverse DNS? Greg A. Woods (Jun 18)
- Re: ATTBI refuses to do reverse DNS? Robert A. Hayden (Jun 18)
- Re: ATTBI refuses to do reverse DNS? Stephen Griffin (Jun 19)