It would still be nice to put in an explanation of the motivation for adding SINK.ARPA when its semantics and operations, at least for clients, appear identical to whatever.INVALID.
I don't know that I have anything much to add to my previous answers to that question.
Well, at this point there seems to be no practical difference at all
between the two, which returns to the question of why we need two
different ways to do the same thing.
If the problem is that people are unfamilar with .INVALID, that would
suggest an informational or BCP to tell people how to use names known not
to exist.
R's,
John
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