Not true,. the ANY query has mutliple uses for consolidating multiple diagnostic queries into a single display, and also for diversion monitoring systems on small domains or groups of same. Not all of us have the resources (or time) of large ISPs behind us.
> client xx.xx.xx.xx#6704: query: z.tn.co.za ANY ANY +E
class "ANY" has no purpose in the real world, not even for debugging. if
you see it in a query, you can assume malicious intent. if you hear it in
a query, you can safely ignore that query, or at best, map it to class "IN".
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Paul Vixie