change in reverse dns lookup behavior
Stafford, Paige L.
staffordp1 at ornl.gov
Fri May 13 14:50:56 UTC 2005
210.146.35.35 stepped through our entire 128.219/16 address space
yesterday asking for reverse DNS lookups. It started at 16:06 and ended
at 20:34. This is the equivalent of a zone transfer.=20
I'm looking for a clever way of stopping this. And if we can't, we want
to at least slow it down. Creating dummy records for the unused IP
addresses has not been effective. =20
*Any* ideas you have would be most welcome.
Paige Stafford
DNS administrator, ORNL
staffordp1 at ornl.gov
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