--- service: i.root-servers.net start-period: '2014-11-24T00:00:00Z' end-period: '2014-11-25T00:00:02Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3191827611 dns-udp-queries-received-ipv6: 227621499 dns-tcp-queries-received-ipv4: 6916707 dns-tcp-queries-received-ipv6: 184754 dns-udp-responses-sent-ipv4: 3143274762 dns-udp-responses-sent-ipv6: 227550194 dns-tcp-responses-sent-ipv4: 6963100 dns-tcp-responses-sent-ipv6: 183294