--- service: i.root-servers.net start-period: '2014-08-07T00:00:00Z' end-period: '2014-08-08T00:00:03Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3182276570 dns-udp-queries-received-ipv6: 209224856 dns-tcp-queries-received-ipv4: 6675301 dns-tcp-queries-received-ipv6: 253954 dns-udp-responses-sent-ipv4: 3123773788 dns-udp-responses-sent-ipv6: 209610893 dns-tcp-responses-sent-ipv4: 6639075 dns-tcp-responses-sent-ipv6: 257317