What are these entries in the log file - " query: . IN NS +"?

[Jukka Pakkanen]

"Tony Toews [MVP]" <ttoews at telusplanet.net> kirjoitti 
viestissä:<p2vsn4leohtc8dm4a7m8rt4g6d4kem2k56 at 4ax.com>...
> Noel Butler <noel.butler at ausics.net> wrote:
>
> >Surely windows can block access to an inbound IP request from "some IP"
> >to local udp port 53 ?
>
> Not the firewall software built into Windows 2003 Server.
>
> >If not, you know what my next reply will be don't you :)
>
> <chuckle>Yeah, well switching to Linux ain't gonna happen.  My friend and 
> I have no
> experience with Linux and no desire to learn it.

There are many free third party firewall packages that can be run in Windows 
2003 Server, we use the Net Firewall.