--- service: j.root-servers.net start-period: '2013-11-20T00:00:00Z' end-period: '2013-11-20T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2447378640 dns-udp-queries-received-ipv6: 146900505 dns-tcp-queries-received-ipv4: 23123996 dns-tcp-queries-received-ipv6: 3992368 dns-udp-responses-sent-ipv4: 2438932020 dns-udp-responses-sent-ipv6: 146863398 dns-tcp-responses-sent-ipv4: 21865320 dns-tcp-responses-sent-ipv6: 84655