--- service: j.root-servers.net start-period: '2015-11-25T00:00:00Z' end-period: '2015-11-25T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4179376982 dns-udp-queries-received-ipv6: 558311060 dns-tcp-queries-received-ipv4: 72383004 dns-tcp-queries-received-ipv6: 1717733 dns-udp-responses-sent-ipv4: 4001131907 dns-udp-responses-sent-ipv6: 563540400 dns-tcp-responses-sent-ipv4: 68754763 dns-tcp-responses-sent-ipv6: 313064