--- service: j.root-servers.net start-period: '2014-09-07T00:00:00Z' end-period: '2014-09-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3350553987 dns-udp-queries-received-ipv6: 221570799 dns-tcp-queries-received-ipv4: 25572090 dns-tcp-queries-received-ipv6: 3663118 dns-udp-responses-sent-ipv4: 3335729595 dns-udp-responses-sent-ipv6: 221267971 dns-tcp-responses-sent-ipv4: 25842679 dns-tcp-responses-sent-ipv6: 2535059