Hi all,
Recently my DNS servers get jammed with bogus queries. The attacks come in
series, taking a few minutes each, sometimes from different IPs at the
same time, at least twice a day.

23:05:40.241026 IP 204.92.73.10.40760 > xx.xx.xx.xx.53: 38545+ [1au] ANY ANY? e.mpisi.com. (40)
23:05:41.600902 IP 204.92.73.10.16561 > xx.xx.xx.xx.53: 22242+ [1au] ANY ANY? e.mpisi.com. (40)
23:05:42.091743 IP 204.92.73.10.37547 [...]

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