--- service: a.root-servers.net start-period: '2016-05-10T00:00:00Z' end-period: '2016-05-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4845483097 dns-udp-queries-received-ipv6: 360522915 dns-tcp-queries-received-ipv4: 43992373 dns-tcp-queries-received-ipv6: 5234210 dns-udp-responses-sent-ipv4: 4844341442 dns-udp-responses-sent-ipv6: 359562955 dns-tcp-responses-sent-ipv4: 36523729 dns-tcp-responses-sent-ipv6: 1071452