--- service: i.root-servers.net start-period: '2014-05-07T00:00:00Z' end-period: '2014-05-08T00:00:02Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5732215935 dns-udp-queries-received-ipv6: 279010882 dns-tcp-queries-received-ipv4: 15409408 dns-tcp-queries-received-ipv6: 623881 dns-udp-responses-sent-ipv4: 5633292219 dns-udp-responses-sent-ipv6: 281745113 dns-tcp-responses-sent-ipv4: 15149312 dns-tcp-responses-sent-ipv6: 590295