Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Daniel Quinlan0
Date of Patent
January 25, 2011
0Patent Application Number
114293930
Date Filed
May 5, 2006
0Patent Primary Examiner
Patent abstract
A method of validating queries for reputation scores of message senders comprises receiving, from a first host computer, a DNS format query to obtain a reputation score associated with a second host computer, wherein the query includes an authentication code; validating the authentication code; and only when validating the authentication code is successful, performing a DNS lookup in a reputation database and returning a DNS response that provides the reputation score associated with the second host computer.
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