--- service: j.root-servers.net start-period: '2013-12-03T00:00:00Z' end-period: '2013-12-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2332974850 dns-udp-queries-received-ipv6: 151823667 dns-tcp-queries-received-ipv4: 25390098 dns-tcp-queries-received-ipv6: 4115207 dns-udp-responses-sent-ipv4: 2324966338 dns-udp-responses-sent-ipv6: 151769367 dns-tcp-responses-sent-ipv4: 23662037 dns-tcp-responses-sent-ipv6: 1136