--- service: j.root-servers.net start-period: '2014-02-16T00:00:00Z' end-period: '2014-02-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2560551993 dns-udp-queries-received-ipv6: 211419584 dns-tcp-queries-received-ipv4: 20843116 dns-tcp-queries-received-ipv6: 4427387 dns-udp-responses-sent-ipv4: 2550758520 dns-udp-responses-sent-ipv6: 211310870 dns-tcp-responses-sent-ipv4: 19372335 dns-tcp-responses-sent-ipv6: 192