Patent Document ID: 9866536
Application ID: 15173608

Base Claim:
1. A method for preserving privacy of a domain name related request, comprising: receiving, from a client computer, a request for information related to a domain name and comprising at least one tokenized string representing the domain name, wherein the tokenized string was tokenized by a first tokenizing authority computer based on a first tokenizing function, and the first tokenizing authority computer is different than the client computer; comparing the at least one tokenized string to a store of tokenized strings, wherein the tokenized strings in the store have been tokenized by a second tokenizing authority computer based on the first tokenizing function or a tokenizing function equivalent to the first tokenizing function, and the second tokenizing authority computer is different than the client computer and a computer that holds the store of tokenized strings; and determining whether the at least one tokenized string is contained in the store of tokenized strings to generate a result.

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Claim 8:
8. The method of claim 1 , further comprising generating the tokenized strings in the store by transmitting a plurality of data strings to the first tokenizing authority computer, and wherein the tokenized strings in the store are derived by the first tokenizing authority computer applying the first tokenizing function to the plurality of data strings.