I think it has more to do with this:

http://blog.washingtonpost.com/securityfix/2006/05/blue_security_surrenders_but_s.html



On 19/05/06 10:18 -0700, Robertino Benis wrote:
> Hi,
> 
> We had a problem yesterday as well. Had to boot DNS server in a safe mode,
> to remove firewall that "magically" got there (there is a firewall box where
> servers meet the Internet, so our DNS server doesn't run a firewall). 
> 
> I don't want to jump ahead with any conclusions, but question: does anybody
> know if any of the affected DNS or web servers were using Windows 2003
> Server OS? 
> 
> Could it be something related to automatic windows 2003 server updates? 
> 
> r. 
> 
> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of
> Marcel Duchamp
> Sent: Friday, May 19, 2006 6:58 AM
> To: Microcontroller discussion list - Public.
> Subject: Re: [OT] Internet DNS down
> 
> Russell McMahon wrote:
> 
> > Or. is it, and there's something more complex happening?
> > 
> >     Russell
> 
> Yesterday  we had similar problems here in California.  Digikey searches 
> would go anywhere from near instant to "server not responding; try 
> again?" Mouser, Future, Maxim all the same. This morning it has been a 
> little hit and miss as well.
> 
> Of course, it only happens when you *really* need to use the net for 
> business.  Ordering parts for example.  It's been a long time since I 
> have needed to actually speak to a sales clerk to buy parts.  The net 
> makes it just oh so easy.  We begin to totally rely on it.  Then - wham! 
> it disappears.
> 
> It makes one wonder just what the repercussions would be world wide to 
> businesses if it were to actually go 100% down for a week or several...
> 
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