Large number of DNS probes in last 24 hours

Sat May 31 03:00:49 UTC 2008

Jim Wise wrote:
> I've seen a surprising number of attempted recursive DNS requests 
> against unpublished non-recursive DNS servers in the last 24 hours or 
> so, many of them obviously probes of some sort (query for "." IN NS, 
> eg).
> 
> Is anyone else seeing this?  Is it new?  Or did some botnet just reach 
> this corner of the IP space?

I have seen PlanetLab experiments doing this. What are the originating
IP addresses?

Mikal