--- service: i.root-servers.net start-period: '2014-02-05T00:00:00Z' end-period: '2014-02-06T00:00:06Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2466996181 dns-udp-queries-received-ipv6: 169578079 dns-tcp-queries-received-ipv4: 5118186 dns-tcp-queries-received-ipv6: 255287 dns-udp-responses-sent-ipv4: 2410096386 dns-udp-responses-sent-ipv6: 169741868 dns-tcp-responses-sent-ipv4: 5143142 dns-tcp-responses-sent-ipv6: 258660