--- service: i.root-servers.net start-period: '2014-11-02T00:00:00Z' end-period: '2014-11-03T00:00:02Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2794221028 dns-udp-queries-received-ipv6: 210940691 dns-tcp-queries-received-ipv4: 6390085 dns-tcp-queries-received-ipv6: 156348 dns-udp-responses-sent-ipv4: 2743376330 dns-udp-responses-sent-ipv6: 210928836 dns-tcp-responses-sent-ipv4: 6464484 dns-tcp-responses-sent-ipv6: 157189