--- service: i.root-servers.net start-period: '2014-08-05T00:00:00Z' end-period: '2014-08-06T00:00:03Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3166061135 dns-udp-queries-received-ipv6: 257684369 dns-tcp-queries-received-ipv4: 6617317 dns-tcp-queries-received-ipv6: 270844 dns-udp-responses-sent-ipv4: 3106314109 dns-udp-responses-sent-ipv6: 257880431 dns-tcp-responses-sent-ipv4: 6742843 dns-tcp-responses-sent-ipv6: 272880