> Actually, reading your reply (which is the same as my own, pretty much), I > figure the guy asked a question and he has a real problem. Assuming he > doesn't want to clean them up is not nice of us.
Infected machines (bots) will cause a lot more than just DNS issues. Issues like this have a way of getting worse all by themselves if not addressed. Anyway, to play nice.. how about using a router to dampen traffic much like icmp dampening? Would it be possible to do DNS dampening? Geo.