--- service: j.root-servers.net start-period: '2013-10-04T00:00:00Z' end-period: '2013-10-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1889351738 dns-udp-queries-received-ipv6: 135551000 dns-tcp-queries-received-ipv4: 17127284 dns-tcp-queries-received-ipv6: 2128663 dns-udp-responses-sent-ipv4: 1883641869 dns-udp-responses-sent-ipv6: 135714494 dns-tcp-responses-sent-ipv4: 16030404 dns-tcp-responses-sent-ipv6: 80581