--- service: i.root-servers.net start-period: '2013-11-05T00:00:00Z' end-period: '2013-11-06T00:00:02Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2266306911 dns-udp-queries-received-ipv6: 118453155 dns-tcp-queries-received-ipv4: 4962756 dns-tcp-queries-received-ipv6: 199822 dns-udp-responses-sent-ipv4: 2340482218 dns-udp-responses-sent-ipv6: 129718287 dns-tcp-responses-sent-ipv4: 4966359 dns-tcp-responses-sent-ipv6: 209374