--- service: i.root-servers.net start-period: '2014-11-08T00:00:00Z' end-period: '2014-11-09T00:00:01Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2966291522 dns-udp-queries-received-ipv6: 213428946 dns-tcp-queries-received-ipv4: 6187941 dns-tcp-queries-received-ipv6: 165107 dns-udp-responses-sent-ipv4: 2913398832 dns-udp-responses-sent-ipv6: 213361703 dns-tcp-responses-sent-ipv4: 6266574 dns-tcp-responses-sent-ipv6: 164131