--- service: i.root-servers.net start-period: '2014-10-01T00:00:00Z' end-period: '2014-10-02T00:00:06Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3551840866 dns-udp-queries-received-ipv6: 232358564 dns-tcp-queries-received-ipv4: 9290060 dns-tcp-queries-received-ipv6: 309730 dns-udp-responses-sent-ipv4: 3496035498 dns-udp-responses-sent-ipv6: 236045920 dns-tcp-responses-sent-ipv4: 9433105 dns-tcp-responses-sent-ipv6: 310297