On Jul 8, 2013, at 1:05 PM, John Levine <johnl(_at_)taugh(_dot_)com> wrote:
ICANN being ICANN, and clearly aware that Google has an unlimited
supply of lawyers, has been going around asking people are you *SURE*
that it's a bad idea to put A and AAAA records at the TLD? An
entirely reasonable response is, yes, nothing has changed, we're still
sure it's a bad idea.
Seems to work fine for http://ac/ and http://dk/ amongst others.
But, of course, actual data would be nice, too.
Of 317 current TLDs, 19 have MX records[1].
Of those 19, only 5 accept email to postmaster@tld. (ai, ax, km, tt, ua).
The remaining 14 either aren't listening on port 25, aren't configured to
handle that domain or, in one case, "Recipient address
rejected: need fully-qualified address".
I didn't bother checking for fallback to A.
Cheers,
Steve
[1] http://privatepaste.com/8e191ef714
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