In message <167CAB40-71D7-4BF9-988A-1A188B433C37@hopcount.ca>, Joe Abley writes :
On 2009-12-15, at 19:09, Tony Finch 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 =
On Tue, 15 Dec 2009, Florian Weimer wrote: 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
Well UPDATE traffic is supposed to go to the nameservers listed in the NS RRset prefering the MNAME if and only if the MNAME is a nameserver. Lots of update clients don't do it quite right but there are some that actually send to all the nameservers. Setting the MNAME to "." does not actually address the problem. Mark
Joe
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