DNS question, null MX records

Tue Dec 15 19:09:29 UTC 2009

On Tue, 15 Dec 2009, Florian Weimer wrote:
> * Eric J. Esslinger:
>
> > I found a reference to a null MX proposal, constructed so:
> > example.com    IN    MX 0 .
>
> I think this is quite controversal.

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.

Tony.
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