Domain name system lookup allowing intelligent correction of searches and presentation of auxiliary information

  • US 6,332,158 B1
  • Filed: 12/09/1998
  • Issued: 12/18/2001
  • Est. Priority Date: 12/03/1998
  • Status: Expired due to Term
First Claim
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1. A method for handling invalid domain name lookup requests in the Internet, the method executing in a domain name server system responsive to a target domain name request by a user computer, wherein the user computer is coupled to a display screen, the method comprising the following steps executed in the domain name server systemreceiving a target domain name lookup from a user computer;

  • searching a master lookup table to determine a machine address associated with the domain name;

    determining that the target domain name does not exist within the lookup table;

    transmitting a machine address to the user computer, wherein the machine address maps to a web server;

    receiving a machine address request from the user computer based on the target domain name transmitted machine address to the user computer;

    in response to the received machine address, sending information to the user computer to assist in that user'"'"'s selection of a most likely domain name that assumes a misspelling of the target domain name; and

    displaying an advertisement on the user computer'"'"'s display screen.

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