Paul Vixie <p...@redbarn.org> wrote: > > what's unstated here is that every SMTP sender who encounters such an MX > without understanding its new meaning will do two or three lookups: ". > MX",
No, MTAs do not look up MX records for MX targets. > [". AAAA",] and ". A". But they might do these lookups, yes. If this is a worry for the root server operators (but I thought they had said in the past that it doesn't pose a problem) then the draft could specify a canonical address-less domain lower down the hierarchy, e.g. empty.as112.arpa (making use of the AS112 DNAME proposal). Tony. -- f.anthony.n.finch <d...@dotat.at> http://dotat.at/ Plymouth: South 4 or 5, becoming variable 3 or 4. Slight or moderate. Rain or thundery showers. Good, occasionally poor. _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
