--- service: j.root-servers.net start-period: '2015-07-05T00:00:00Z' end-period: '2015-07-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3009447531 dns-udp-queries-received-ipv6: 244164997 dns-tcp-queries-received-ipv4: 34226191 dns-tcp-queries-received-ipv6: 21666063 dns-udp-responses-sent-ipv4: 2934866217 dns-udp-responses-sent-ipv6: 244083012 dns-tcp-responses-sent-ipv4: 33582456 dns-tcp-responses-sent-ipv6: 20110215