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Traffic like NXDomains

  • US 8,504,673 B2
  • Filed: 03/31/2011
  • Issued: 08/06/2013
  • Est. Priority Date: 03/31/2011
  • Status: Active Grant
First Claim
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1. A method, implemented using a computer, of analyzing network traffic related to domain names, comprising:

  • storing network traffic data associated with Domain Name System (DNS) requests for non-existent domains (NXDs);

    receiving an analysis request associated with at least one domain name;

    creating, using the computer and based on the stored network traffic data, an NXD list comprising NXDs that received at least one DNS request during a time period;

    determining, using the computer and based on the stored network traffic data, a similarity metric that reflects a degree of similarity between the stored network traffic of the at least one domain name and the stored network traffic for an NXD listed in the NXD list; and

    providing an analysis report identifying one or more potentially valuable NXDs based on the similarity metric.

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