Hi there, On Mon, 4 Dec 2006 Eduardo Fern?ndez wrote: > Some computers in my network are flooding the dns server with mx > queries generated by some virus, at a rate of 2/second or so. I can't It is your network? Disconnect the offending computers from the network and tell their users that they must remove the virus(es) before they will be reconnected. -- 73, Ged.