--- service: i.root-servers.net start-period: '2014-12-08T00:00:00Z' end-period: '2014-12-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3101752012 dns-udp-queries-received-ipv6: 225875784 dns-tcp-queries-received-ipv4: 6361790 dns-tcp-queries-received-ipv6: 186055 dns-udp-responses-sent-ipv4: 3051561695 dns-udp-responses-sent-ipv6: 225811140 dns-tcp-responses-sent-ipv4: 6405235 dns-tcp-responses-sent-ipv6: 183816