--- service: a.root-servers.net start-period: '2014-06-17T00:00:00Z' end-period: '2014-06-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1628616155 dns-udp-queries-received-ipv6: 87929239 dns-tcp-queries-received-ipv4: 7525373 dns-tcp-queries-received-ipv6: 1206638 dns-udp-responses-sent-ipv4: 1628429012 dns-udp-responses-sent-ipv6: 87924686 dns-tcp-responses-sent-ipv4: 7596513 dns-tcp-responses-sent-ipv6: 472699