--- service: i.root-servers.net start-period: '2015-11-10T00:00:00Z' end-period: '2015-11-11T00:00:02Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4456878051 dns-udp-queries-received-ipv6: 326253120 dns-tcp-queries-received-ipv4: 30577167 dns-tcp-queries-received-ipv6: 711009 dns-udp-responses-sent-ipv4: 4386203161 dns-udp-responses-sent-ipv6: 331819213 dns-tcp-responses-sent-ipv4: 30607760 dns-tcp-responses-sent-ipv6: 688343