1. A system, comprising: a server computer running a domain name system (DNS) server and coupled to a network, the server computer executing, via a processor, instructions that cause the server computer to: receive, from a client computer, an electronic message encoding a DNS request; access, within a database, at least one DNS record comprising: a designation of the DNS server as an authoritative DNS server for the DNS request; and a resource record designating a secondary authoritative server running on a second server computer; transmit, to the client computer, a DNS result according to the first resource record; transmit, to the secondary authoritative server, a second electronic message encoding a DNS query according to the second resource record; receive, from the secondary authoritative server, a DNS query result; store the DNS query result within a cache stored within the server computer; and transmit, to the client computer, the DNS query result.