[Dshield] spam - dns - Verisign

Lauro, John jlauro at umflint.edu
Tue Sep 16 12:19:35 GMT 2003


Actually, that sounds like a good thing in at least one way.  If
that's the case, then they can get all the bounced mail that spammers
generate on our backup MX servers...


> -----Original Message-----
> From: Johannes B. Ullrich [mailto:jullrich at sans.org]
> Sent: Tuesday, September 16, 2003 7:48 AM
> To: list at dshield.org
> Subject: [Dshield] spam - dns - Verisign
> 
> 
>   A new 'twist' to spam filters: Starting this week, Verisign (aka
> Network Solutions) is setting up its root DNS servers (.net and
.com) to
> resolve all domain names. All non existing domain names will point
to a
> Verisign page.
> 
>   So if you are using any check to see if the origin domain exists,
it
> will never trigger.
> 
> 
> 
> 
> 
> --
> SANS - Internet Storm Center
> http://isc.sans.org
> PGP Key: http://isc.sans.org/jullrich.txt




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