VeriSign. has been granted a patent for a DNS server method that processes queries using attached policy statements. This approach allows clients to explicitly control DNS resolution behavior, improving clarity and accuracy compared to traditional methods that rely on server inference from client data. GlobalData’s report on VeriSign gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on VeriSign, EMV tokenization was a key innovation area identified from patents. VeriSign's grant share as of July 2024 was 54%. Grant share is based on the ratio of number of grants to total number of patents.
Dns resolution control using policy statements
The granted patent US12058099B1 outlines a computer-implemented method for managing Domain Name System (DNS) queries through a recursive resolver. The method involves receiving a DNS query and determining if a record is attached to it. If a policy statement is included in the record, the resolver executes the policy statement, which generates a query state that controls subsequent DNS resolution operations. The DNS query is designed to include policy code that enables programmatic control over the resolution process, allowing for tailored responses based on specific policies.
Additionally, the patent describes a computer system that incorporates a memory and processor to execute the resolution application, performing similar steps as outlined in the method. The system can generate DNS responses based on the query state and includes a policy interpreter that identifies and executes commands from the policy statement. These commands may involve resolution preferences, restrictions, or security requirements. The patent also mentions the use of pseudo resource records, specifically those compliant with the Extension Mechanisms for Domain Name System, to facilitate the inclusion of policy statements within DNS queries.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
