--- service: i.root-servers.net start-period: '2014-08-03T00:00:00Z' end-period: '2014-08-04T00:00:04Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2564807839 dns-udp-queries-received-ipv6: 228898258 dns-tcp-queries-received-ipv4: 5841766 dns-tcp-queries-received-ipv6: 258963 dns-udp-responses-sent-ipv4: 2516818380 dns-udp-responses-sent-ipv6: 229098519 dns-tcp-responses-sent-ipv4: 5947542 dns-tcp-responses-sent-ipv6: 261862