--- service: j.root-servers.net start-period: '2014-12-22T00:00:00Z' end-period: '2014-12-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3384517467 dns-udp-queries-received-ipv6: 239820217 dns-tcp-queries-received-ipv4: 30459396 dns-tcp-queries-received-ipv6: 5561545 dns-udp-responses-sent-ipv4: 3390840717 dns-udp-responses-sent-ipv6: 239778751 dns-tcp-responses-sent-ipv4: 30657491 dns-tcp-responses-sent-ipv6: 4767756