[65596] in North American Network Operators' Group
Re: AOL rejecting mail from IP's w/o reverse DNS ?
daemon@ATHENA.MIT.EDU (Joe Abley)
Wed Dec 3 11:19:21 2003
In-Reply-To: <3FCE0666.3050902@outblaze.com>
Cc: Randy Bush <randy@psg.com>,
"Christopher X. Candreva" <chris@westnet.com>, nanog@nanog.org
From: Joe Abley <jabley@isc.org>
Date: Wed, 3 Dec 2003 11:11:07 -0500
To: Suresh Ramasubramanian <suresh@outblaze.com>
Errors-To: owner-nanog-outgoing@merit.edu
On 3 Dec 2003, at 10:51, Suresh Ramasubramanian wrote:
>
> Randy Bush writes on 12/3/2003 10:18 AM:
>
>> you're right. it will be. people will have to clean up their
>> in-addr.arpa. or am i missing some reason they can't, other
>> than laziness?
>
> Well - unless you have a /24, in-addr.arpa is typically under the
> control of your upstream provider.
RFC2317.
> So, especially in countries where most if not all the IP providers you
> get are dumber than rocks, rDNS is often dismissed as an unnecessary
> luxury. Especially when you have maybe one IP allocated for a
> colocated server, rather than a /24 or two.
Maybe more people should do what AOL says they may do, then.
Joe
