Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Barry Qi Yuan0
Robert Edgar Barton0
Date of Patent
October 1, 2024
0Patent Application Number
179912860
Date Filed
November 21, 2022
0Patent Citations
Patent Primary Examiner
CPC Code
Patent abstract
Techniques for leveraging a distributed Domain Name System (DNS) infrastructure for preserving Personally Identifiable Information (PII) data for distributed resolvers using a hash to policy pair (HPP) database are described. A DNS security service receives metadata including PII associated with a client. A cryptographic hash function is applied to the metadata including PII associated with the client to generate a client hash value. A client HPP is created by mapping the client hash value to a set of DNS policy instructions associated with the client. The client HPP is stored in a HPP database. A distributed resolver is authorized to provide DNS services to the client. Finally, the HPP database is published to the distributed resolver.
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