On Fri, 22 Nov 2019 at 05:16, Dr Eberhard W Lisse <e...@lisse.na> wrote:

>
>         If users need code elements to represent country names not included
>         in this part of ISO 3166, the series of letters AA, QM to QZ, XA to
>         XZ, and ZZ [...] are available.
>
> I read that to mean that a .ZZ (or rather any of the 42 possibles) would
> be safe to use in our context.
>

I read that to mean they are reserved for private use, and as mentioned
above, any centralized/standardized use is going to conflict with that.
 This is a bit like IANA trying to assign a bit of RFC1918 space to
something specific and global.

I'm surprised this thread has such legs.  I would have thought this would
wind up when home. and home.arpa were mentioned way up thread.
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