Strange PTR queries

Dima Fadeyev fadey at
Thu Mar 12 08:27:27 UTC 2009

Hello, everyone

I'm seeing strange PTR-queries from my dhcp machine.

IP x.x.x.x.39782 > 43960+ PTR?
IP > x.x.x.x.39782: 43960 NXDomain 0/1/0 (117)
IP x.x.x.x.53299 > 34386+ PTR?
IP > x.x.x.x.53299: 34386 NXDomain 0/1/0 (118)

Has anyone seen something like that? I couldn't find any options in
dhcpd.conf or the manuals, related to this behavior (I have
"ddns-update-style none;" in the config, just in case you wonder if I'm
doing dynamic dns updates).

Thanks and best regards

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