In message <20160928232720.9513.qm...@ary.lan>, "John Levine" writes:
> I don't think this has anything to do with RFC 6761, so ...
> 
> For a very long time, two letter TLDs have been assigned to countries
> and other geographic entities per the ISO 3166 alpha-2 list.  The
> earliest mention I can find is in RFC 920 in 1984, and even then the
> wording suggests that the usage was well settled.
> 
> The codes AA, QM-QZ, XA-XZ, and ZZ are "user assigned" and will never
> be used for countries.  Last year Ed Lewis wrote an I-D proposing that
> XA-XZ be made private use and the rest future use, but as far as I can
> tell it never went anywhere.
> 
> I've been telling people that if they need a fake private TLD for their local
> network they should use one of those since it is exceedingly unlikely
> ever to collide with a real DNS name.  Am I right?

No.  Just because countries don't get assigned these values it
doesn't mean that they can't be assigned by ICANN or the IETF in
consultation with ICANN.

And who *needs* a fake tld?  As far as I can tell almost no one.
None of the companies using .CORP do.  You can't use a .corp.example.com
or similar?

Now it may be nice to have a tld and for somethings you need a well
known namespace to play in (.onion, homenet (location TBD)).

Mark

> R's,
> John
> 
> PS: On my lan, I'm using .QY.
> 
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: ma...@isc.org

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