[120312] in North American Network Operators' Group
Re: DNS question, null MX records
daemon@ATHENA.MIT.EDU (Joe Abley)
Wed Dec 16 06:21:08 2009
From: Joe Abley <jabley@hopcount.ca>
In-Reply-To: <alpine.LSU.2.00.0912151907330.4176@hermes-1.csi.cam.ac.uk>
Date: Wed, 16 Dec 2009 11:20:14 +0000
To: Tony Finch <dot@dotat.at>
X-SA-Exim-Mail-From: jabley@hopcount.ca
Cc: "'nanog@nanog.org'" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 2009-12-15, at 19:09, Tony Finch wrote:
> On Tue, 15 Dec 2009, Florian Weimer wrote:
>> * Eric J. Esslinger:
>>=20
>>> I found a reference to a null MX proposal, constructed so:
>>> example.com IN MX 0 .
>>=20
>> I think this is quite controversal.
>=20
> My impression from discussions on various IETF lists is that most =
people
> think it is a good idea, it is already reasonably widely implemented, =
but
> no-one has the time and persistence to push a spec through to =
publication.
When I attempted to document a similar idea (using an empty label in the =
MNAME field of an SOA record in order to avoid unwanted DNS UPDATE =
traffic) the consensus of the room was that the idea was both =
controversial and bad :-)
http://tools.ietf.org/html/draft-jabley-dnsop-missing-mname-00
Joe