[SPAM-TAG] [SURBL-Discuss] Subdomains in SURBL

Jeff Chan jeffc at surbl.org
Sat May 13 10:42:38 CEST 2006

On Friday, May 12, 2006, 11:16:40 AM, Brandon Hutchinson wrote:
>> SpamAssasisn may check more than the specified levels.  For
>> example, it may check at levels two and three on GTLDs, or at
>> least it did at one point.

> Looking at some of the SA 3.1.1 debug output, SA's URIDNSBL will query only at 
> level 3 for domains with a country code (e.g. .co.uk), and level 2 for other 
> GTLDs (.com).

> Examples:

> [5180] dbg: uri: parsed uri found, http://www.hydeparkcalling.co.uk/
> [5180] dbg: uri: parsed domain, hydeparkcalling.co.uk
> [5180] dbg: uridnsbl: domains to query: hydeparkcalling.co.uk

> [6977] dbg: uri: parsed uri found, http://www.manage-performance.com
> [6977] dbg: uri: parsed domain, manage-performance.com
> [6977] dbg: uridnsbl: domains to query: manage-performance.com

> So unless my understanding of SA's URIDNSBL is mistaken, and it certainly 
> could be, we'll never catch any of the subdomains in SURBL.

Yes, it's possible SA is coded exactly to spec now, and some of
these non-spec data won't get caught with SA.

> No big deal; 
> someone probably is using some implementation of URI checking with SURBL that 
> does.

Yes, it's possible.

Jeff C.
Don't harm innocent bystanders.

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