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Or use the data from SenderBase. http://senderbase.org/ John Hardin writes: > On Mon, 2004-07-12 at 14:09, Matthew Trent wrote: > > On Monday 12 July 2004 01:49 pm, Kristopher Austin wrote: > > > To answer your question, this information is contained in a whois > > > lookup. > > > > I believe that's against the rules and would probably get you blocked after > > X > > number of queries in X time period... > > It's also hideously inefficient. > > It'd be far better to hook into the registrar system (they *have* to > exchange "I've sold domain name X" info in real time...) and whenever a > new domain is added, insert a new Domain_name,30_day_Expiry entry into a > database. > > Then daily|hourly you'd build a zone file from the unexpired domain > names. > > -- > John Hardin KA7OHZ <[EMAIL PROTECTED]> > Internal Systems Administrator voice: (425) 672-1304 > Apropos Retail Management Systems, Inc. fax: (425) 672-0192 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) Comment: Exmh CVS iD8DBQFA8xs0QTcbUG5Y7woRAtEHAKDu1W2Xe6xsnoamzXOlwZqvccd3EgCg2d3V 1bXz5nc9NVPAu2QiH8+bww0= =AhEc -----END PGP SIGNATURE-----
