--- service: i.root-servers.net start-period: '2014-03-03T00:00:00Z' end-period: '2014-03-04T00:00:05Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2737878202 dns-udp-queries-received-ipv6: 181756808 dns-tcp-queries-received-ipv4: 5172931 dns-tcp-queries-received-ipv6: 309855 dns-udp-responses-sent-ipv4: 2680007247 dns-udp-responses-sent-ipv6: 181883643 dns-tcp-responses-sent-ipv4: 5243658 dns-tcp-responses-sent-ipv6: 310631