IDNAbis spec

Andrew Sullivan ajs at
Wed Nov 4 15:47:19 CET 2009

On Wed, Nov 04, 2009 at 05:31:49AM -0800, Erik van der Poel wrote:
> (2) multi-label DNAME definition time

The problem there is that there is _no way_ to have a rule about this.
It's not that we never thought about it; it's that you can't possibly
specify a rule that will solve this problem. 

If there are zone cuts, it is _just impossible_ to know what might end
up lurking on the other side of the cut, not only at the time of
registration but also later, since a DNAME could be introduced at a
later date (indeed, that's actually one of the target use cases of


Andrew Sullivan
ajs at
Shinkuro, Inc.

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