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AUTOMATED VERIFICATION OF DNS ACCURACY

  • US 20100121981A1
  • Filed: 11/11/2008
  • Published: 05/13/2010
  • Est. Priority Date: 11/11/2008
  • Status: Active Grant
First Claim
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1. A computer executed method for verifying DNS results, comprising controlling a processor to perform the following steps:

  • actively observing a domain name system (dns) request from a resolver;

    replicating the dns request;

    transmitting the dns request to a first server and at least one secondary server;

    blocking any response to the original resolver until a plurality of dns replies are received; and

    allowing a response to the original resolver on the condition that two dns replies match in content.

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