--- service: a.root-servers.net start-period: '2016-10-05T00:00:00Z' end-period: '2016-10-05T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4476360207 dns-udp-queries-received-ipv6: 402853283 dns-tcp-queries-received-ipv4: 173083284 dns-tcp-queries-received-ipv6: 8569511 dns-udp-responses-sent-ipv4: 4453117850 dns-udp-responses-sent-ipv6: 399084908 dns-tcp-responses-sent-ipv4: 173472374 dns-tcp-responses-sent-ipv6: 7873701