--- service: i.root-servers.net start-period: '2016-03-03T00:00:00Z' end-period: '2016-03-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5414362337 dns-udp-queries-received-ipv6: 435611300 dns-tcp-queries-received-ipv4: 16127688 dns-tcp-queries-received-ipv6: 1137101 dns-udp-responses-sent-ipv4: 5345146241 dns-udp-responses-sent-ipv6: 435924194 dns-tcp-responses-sent-ipv4: 15564360 dns-tcp-responses-sent-ipv6: 1139270