[65681] in North American Network Operators' Group
Re: AOL rejecting mail from IP's w/o reverse DNS ?
daemon@ATHENA.MIT.EDU (Adam McKenna)
Thu Dec 4 20:14:41 2003
Date: Thu, 4 Dec 2003 17:08:01 -0800
To: nanog@nanog.org
In-Reply-To: <3FCFD88F.AAD7685F@globalstar.com>
From: Adam McKenna <adam@flounder.net>
Mail-Followup-To: nanog@nanog.org
Errors-To: owner-nanog-outgoing@merit.edu
On Thu, Dec 04, 2003 at 04:59:59PM -0800, Crist Clark wrote:
> $ORIGIN 168.50.204.in-addr.arpa.
> $GENERATE 0-15 $ NS a.ns.$
> $GENERATE 0-15 a.ns.$ A 204.50.168.2
>
> Is any harder than,
>
> $ORIGIN 168.50.204.in-addr.arpa.
> $GENERATE 0-15 CNAME $.0/28
> 0/28 NS ns.mydomain.org.
That's the whole point. They are equivalent, but the former doesn't force
you to invent your own naming scheme or use CNAMES (if using A records in
in-addr.arpa domains is distasteful, then imho using CNAMES is even more
distasteful, not to mention RR's containing the "/" character).
--Adam
