Mark Andrews wrote:
The Internet went to multi-label hostnames ~20 years ago.
As noted in RFC 2821 as "one dot required" syntax, also
mentioned in RFC 3696. Recently *overruled* by 2821bis.
No sane TLD operator can expect "http://tld" or "user(_at_)tld"
to work reliably.
Certainly not expect, but some gave it nevertheless a try.
My bastard browser from hell let's me say <http://museum./>
(note trailing dot).
I suspect there are still mail configuations around that
will re-write "user(_at_)tld" to "user(_at_)tld(_dot_)ARPA".
They didn't note that RFC 2821 upgraded the 821 examples,
sh*t happens... <eg>
Should we be writting a RFC which states that MX and
address records SHOULD NOT be added to the apex of a
No, there are enough TLDs disagreeing with this idea...
Should we be writting a RFC which states that single
label hostnames/mail domains SHOULD NOT be looked up
"as is" in the DNS?
...the 2821bis Last Call ended months ago, and "one dot
required" was discussed long enough. Change this again,
and I'll scream.
Repost, apparently my first attempt didn't make it.
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