--- service: i.root-servers.net start-period: '2014-05-14T00:00:00Z' end-period: '2014-05-15T00:00:03Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2732709987 dns-udp-queries-received-ipv6: 195811907 dns-tcp-queries-received-ipv4: 6438637 dns-tcp-queries-received-ipv6: 233013 dns-udp-responses-sent-ipv4: 2676708351 dns-udp-responses-sent-ipv6: 199361365 dns-tcp-responses-sent-ipv4: 6471907 dns-tcp-responses-sent-ipv6: 233483