Patent for Reverse IP Method — DomainTools Gets

DomainTools granted patent for reverse IP method.

DomainTools‘ parent firm Euro Convergence, SARL has been granted a patent for “Reverse IP method and system”. U.S. patent number 7,797,410 was invented by firm founder Jay Westerdal.

The invention is for a “fresh and improved domain name searching method and system” comprised of the following steps:

(1) downloading all zone files, public and/or non-public, associated with one or more host names
(2) performing reverse DNS on IPs associated with stated host names in associated root servers and name servers
(3) crawling websites associated with stated host names and seeking fresh hosts on known websites in different TLDs
(4) indexing all fresh host names found
(5) resolving the associated IP address with each host name, and with optionally appending “www” thereby
(6) storing DNS entries and indexing same while logging their association with host names
(7) repeating any of steps (1) through (6) one or more times.

The patent application was filed in 2004.