--- service: j.root-servers.net start-period: '2014-05-01T00:00:00Z' end-period: '2014-05-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2502243285 dns-udp-queries-received-ipv6: 219751297 dns-tcp-queries-received-ipv4: 23304827 dns-tcp-queries-received-ipv6: 4723263 dns-udp-responses-sent-ipv4: 2493312148 dns-udp-responses-sent-ipv6: 219664568 dns-tcp-responses-sent-ipv4: 21110756 dns-tcp-responses-sent-ipv6: 33742