--- service: j.root-servers.net start-period: '2014-05-07T00:00:00Z' end-period: '2014-05-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4631723551 dns-udp-queries-received-ipv6: 339554032 dns-tcp-queries-received-ipv4: 50446028 dns-tcp-queries-received-ipv6: 5349424 dns-udp-responses-sent-ipv4: 4644314005 dns-udp-responses-sent-ipv6: 339234089 dns-tcp-responses-sent-ipv4: 48777106 dns-tcp-responses-sent-ipv6: 219