--- service: j.root-servers.net start-period: '2014-04-09T00:00:00Z' end-period: '2014-04-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2567938747 dns-udp-queries-received-ipv6: 211660542 dns-tcp-queries-received-ipv4: 20118333 dns-tcp-queries-received-ipv6: 2948145 dns-udp-responses-sent-ipv4: 2555728816 dns-udp-responses-sent-ipv6: 210911908 dns-tcp-responses-sent-ipv4: 18579880 dns-tcp-responses-sent-ipv6: 205