--- service: a.root-servers.net start-period: '2014-08-08T00:00:00Z' end-period: '2014-08-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1512318786 dns-udp-queries-received-ipv6: 89573593 dns-tcp-queries-received-ipv4: 14121911 dns-tcp-queries-received-ipv6: 830960 dns-udp-responses-sent-ipv4: 1512111370 dns-udp-responses-sent-ipv6: 89571264 dns-tcp-responses-sent-ipv4: 14294804 dns-tcp-responses-sent-ipv6: 297654