--- service: i.root-servers.net start-period: '2014-02-06T00:00:00Z' end-period: '2014-02-07T00:00:08Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2478462588 dns-udp-queries-received-ipv6: 163282817 dns-tcp-queries-received-ipv4: 5301437 dns-tcp-queries-received-ipv6: 265642 dns-udp-responses-sent-ipv4: 2420464667 dns-udp-responses-sent-ipv6: 163212094 dns-tcp-responses-sent-ipv4: 5303442 dns-tcp-responses-sent-ipv6: 268821