--- service: j.root-servers.net start-period: '2014-12-29T00:00:00Z' end-period: '2014-12-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3373998932 dns-udp-queries-received-ipv6: 236522845 dns-tcp-queries-received-ipv4: 28488432 dns-tcp-queries-received-ipv6: 5611846 dns-udp-responses-sent-ipv4: 3389486710 dns-udp-responses-sent-ipv6: 236485079 dns-tcp-responses-sent-ipv4: 28729285 dns-tcp-responses-sent-ipv6: 4852228