>I'm inclined to conclude (as suggested off-list) that, while it
>may be prudent to parse conservatively, and not make ordering
>assumptions, in fact less tolerant stub resolvers are sufficiently
>common and so one would likely get away with assuming natural
>ordering.  So perhaps doing it right is not entirely overkill...

This strikes me as an obvious place to apply the hoary robustness
principle.  It's not very expensive to do a topological sort of
the CNAMEs at each end in case the other end didn't or won't.

R's,
John

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