[dns-operations] odd nxdomain behaviour (reported on bugtraq today)

[Sam Norris]

> anybody know more about this net or its nameservers?  they are a example 
> of
> a disturbingly large set of similarly-behaving nameservers, and the
> implications on spoofed-source dns amplification is somewhat alarming.

Cox sinkholes / honeypot ranges?  How widespread is this odd behaviour - 
limited to the 68 netblock or all over the net?

Sam