--- service: j.root-servers.net start-period: '2013-11-19T00:00:00Z' end-period: '2013-11-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2434260684 dns-udp-queries-received-ipv6: 129086492 dns-tcp-queries-received-ipv4: 24788521 dns-tcp-queries-received-ipv6: 3755395 dns-udp-responses-sent-ipv4: 2425975399 dns-udp-responses-sent-ipv6: 129047742 dns-tcp-responses-sent-ipv4: 21354879 dns-tcp-responses-sent-ipv6: 84341