--- service: i.root-servers.net start-period: '2014-02-07T00:00:00Z' end-period: '2014-02-08T00:42:43Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2485889600 dns-udp-queries-received-ipv6: 157008812 dns-tcp-queries-received-ipv4: 5029926 dns-tcp-queries-received-ipv6: 252663 dns-udp-responses-sent-ipv4: 2427670083 dns-udp-responses-sent-ipv6: 157077310 dns-tcp-responses-sent-ipv4: 5077769 dns-tcp-responses-sent-ipv6: 257269