--- service: a.root-servers.net start-period: '2014-06-10T00:00:00Z' end-period: '2014-06-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1829393474 dns-udp-queries-received-ipv6: 116091452 dns-tcp-queries-received-ipv4: 9431571 dns-tcp-queries-received-ipv6: 1442470 dns-udp-responses-sent-ipv4: 1828296173 dns-udp-responses-sent-ipv6: 116123121 dns-tcp-responses-sent-ipv4: 9505234 dns-tcp-responses-sent-ipv6: 494422