--- service: i.root-servers.net start-period: '2014-08-31T00:00:00Z' end-period: '2014-09-01T00:00:01Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2513892489 dns-udp-queries-received-ipv6: 204555844 dns-tcp-queries-received-ipv4: 7158590 dns-tcp-queries-received-ipv6: 238402 dns-udp-responses-sent-ipv4: 2465306426 dns-udp-responses-sent-ipv6: 207948029 dns-tcp-responses-sent-ipv4: 6770928 dns-tcp-responses-sent-ipv6: 239889