--- service: i.root-servers.net start-period: '2014-06-16T00:00:00Z' end-period: '2014-06-17T00:00:07Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2770112673 dns-udp-queries-received-ipv6: 244739665 dns-tcp-queries-received-ipv4: 6602055 dns-tcp-queries-received-ipv6: 259958 dns-udp-responses-sent-ipv4: 2713871701 dns-udp-responses-sent-ipv6: 246787311 dns-tcp-responses-sent-ipv4: 6815735 dns-tcp-responses-sent-ipv6: 261693