On the subject of rejected queries - although this isn't a bind question per-se, I'm curious if anyone else here sees a lot of these:

client 178.123.92.141#23861: view main: query (cache) 'mx242.emailfiltering.com/A/IN' denied

We get *loads* of them to our authoritative resolvers. I am assuming they are attempts at cache poisoning given the (ahem) dubious geographical origin of the queries (no offense intended to anyone living in those parts of the world) but I can't see any corresponding inbound forged DNS packets in our netflow.

Just curious.
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