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Content restriction compliance using reverse DNS lookup

  • US 8,443,106 B2
  • Filed: 12/19/2008
  • Issued: 05/14/2013
  • Est. Priority Date: 12/21/2007
  • Status: Active Grant
First Claim
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1. A computer-implemented method for alerting an Internet content provider to at least one user parameter associated with a content request, the method comprising:

  • receiving a reverse DNS lookup query from the Internet content provider via a computer network, the reverse DNS lookup query specifying a host IP address;

    obtaining a host domain name and the at least one user parameter stored in a DNS zone file for the host IP address, wherein the at least one user parameter describes a demographic attribute of a person associated with the host domain name;

    providing the host domain name and the at least one user parameter in a signal to the Internet content provider, in response to the reverse DNS lookup query; and

    controlling distribution of content to the host IP address using the Internet content provider, based on the at least one user parameter received in response to the reverse DNS lookup query, wherein the at least one user parameter indicates a numerical age for one or more users of the host IP address, and the controlling distribution of content comprises determining whether to provide age-restricted content to the host IP address, based on the numerical age.

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