--- service: i.root-servers.net start-period: '2016-03-06T00:00:00Z' end-period: '2016-03-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4281547671 dns-udp-queries-received-ipv6: 399159332 dns-tcp-queries-received-ipv4: 19700060 dns-tcp-queries-received-ipv6: 1101485 dns-udp-responses-sent-ipv4: 4248456421 dns-udp-responses-sent-ipv6: 407818241 dns-tcp-responses-sent-ipv4: 19226601 dns-tcp-responses-sent-ipv6: 1102840