> -----Original Message----- > From: Matthias Leisi [mailto:[EMAIL PROTECTED] > Sent: Thursday, December 21, 2006 6:08 PM > To: [email protected] > Cc: [EMAIL PROTECTED] > Subject: Re: domain registration age > > > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > > > Karl Chen wrote: > > Hi, I have the idea that a URI with a domain that was recently > > registered would be a good indicator of spam. Has this been > > discussed before, and would it be hard to implement? > > > > Various optimizations are possible over just doing a 'whois' each > > time, e.g. caching, creating a global url blocklist (with auto > > expiry), etc. > > Some time ago (woot, over a year? oh my.) I wrote an experimental "DNS > Age List" using a custom DNS server in Perl, doing whois searches > w/caching, see [1]. >
There are already certain black lists that use domain age as part of its listing criteria ;) --Chris
