On Fri, Jun 30, 2017 at 12:53 PM, Daniel Karrenberg <dfk(_at_)ripe(_dot_)net>
wrote:
john,
...
Conversely it would be problematic now to have three letter ASCII ccTLDs
unless there is a clear agreement with ISO that they will never allocate
a three letter code that already exists as a gTLD. Afaik there are no
clashes right now, but past results are not a guarantee for the future.
COM is the three letter code for the Comoros Islands. I believe it is
also used by a few entities as their TLD :-)
It is never a good idea to have two 'authorities' over one part of a
name space.
dfk
Thanks,
Donald