--- service: i.root-servers.net start-period: '2014-11-04T07:30:50Z' end-period: '2014-11-05T00:00:01Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1923944763 dns-udp-queries-received-ipv6: 147313190 dns-tcp-queries-received-ipv4: 4206525 dns-tcp-queries-received-ipv6: 107415 dns-udp-responses-sent-ipv4: 1889242352 dns-udp-responses-sent-ipv6: 147267486 dns-tcp-responses-sent-ipv4: 4267728 dns-tcp-responses-sent-ipv6: 105936