COMPUTER-IMPLEMENTED METHOD AND COMPUTER PROGRAM PRODUCT FOR PROCESSING NAMED ENTITY QUERIES USING A CACHED FUNCTIONALITY IN A DOMAIN NAME SYSTEM

摘要

The present disclosure relates to a computer-implemented method for responding to a query request from a requestor using information supplied by an authoritative name server. The computer-implemented method can include obtaining, by a DNS resolution server, a query for a named resource from a requestor, wherein the query comprises information comprising contextual information related to the requestor. The method can obtain at least a portion of a zone file of a domain name space using the domain name system (DNS), one or more rules, and information on how to access information that is not local to the DNS resolution server from the authoritative name server based on the query obtained from the requestor. An answer can then be provided to the query from requester based on the at least a portion of the zone file, the one or more rules, and the contextual information.