North American Network Operators Group
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Re: Large number of DNS probes in last 24 hours

  • From: Michael Still
  • Date: Fri May 30 22:58:52 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 against unpublished non-recursive DNS servers in the last 24 hours or 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