Re: Update of RFC 2606 based on the recent ICANN changes ?

"Frank Ellermann" <nobody@xyzzy.claranet.de> Thu, 03 July 2008 16:09 UTC

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From: "Frank Ellermann" <nobody@xyzzy.claranet.de>
Subject: Re: Update of RFC 2606 based on the recent ICANN changes ?
Date: Thu, 3 Jul 2008 01:59:14 +0200
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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@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@tld" to "user@tld.ARPA"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
> TLD zone?

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.

 Frank

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