Patent ID: 9342698
Filing Date: 2016-05-17
CPC Classification: G06F,H04L

Claim Text:
1. A non-transitory computer-readable medium encoded with instructions that, when executed on a processor, perform a method of minimizing the disclosure of a domain name contained in a domain name system (DNS) query, the method comprising: determining a first label and a second label associated with a domain name included in a domain name system (DNS) query; querying a first nameserver for a first resource record type associated with the first label without revealing information related to the second label by removing information related to the second label from the DNS query; receiving a first response from the first nameserver, the first response including the first resource record type which directs a resolver to a second nameserver; querying the second nameserver for a second resource record type associated with the first label and the second label; receiving a second response from the second nameserver, the second response including the second resource record type; and transmitting at least the second resource record type in response to the DNS query.