--- service: i.root-servers.net start-period: '2014-12-10T00:00:00Z' end-period: '2014-12-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3638177161 dns-udp-queries-received-ipv6: 241471597 dns-tcp-queries-received-ipv4: 6767124 dns-tcp-queries-received-ipv6: 245691 dns-udp-responses-sent-ipv4: 3595431234 dns-udp-responses-sent-ipv6: 241496298 dns-tcp-responses-sent-ipv4: 6884127 dns-tcp-responses-sent-ipv6: 248704