Rejected queries for mx???.emailfiltering.com
Phil Mayers
p.mayers at imperial.ac.uk
Wed Jan 19 11:44:04 UTC 2011
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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