--- service: i.root-servers.net start-period: '2014-11-25T00:00:00Z' end-period: '2014-11-26T00:00:02Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3133189341 dns-udp-queries-received-ipv6: 223868031 dns-tcp-queries-received-ipv4: 6545014 dns-tcp-queries-received-ipv6: 188837 dns-udp-responses-sent-ipv4: 3084447811 dns-udp-responses-sent-ipv6: 224001953 dns-tcp-responses-sent-ipv4: 6573529 dns-tcp-responses-sent-ipv6: 186866