--- service: i.root-servers.net start-period: '2015-08-30T00:00:00Z' end-period: '2015-08-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3219990920 dns-udp-queries-received-ipv6: 247237547 dns-tcp-queries-received-ipv4: 28504685 dns-tcp-queries-received-ipv6: 390363 dns-udp-responses-sent-ipv4: 4791000114 dns-udp-responses-sent-ipv6: 247238443 dns-tcp-responses-sent-ipv4: 28526623 dns-tcp-responses-sent-ipv6: 395377