--- service: a.root-servers.net start-period: '2014-11-29T00:00:00Z' end-period: '2014-11-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2304327571 dns-udp-queries-received-ipv6: 179646844 dns-tcp-queries-received-ipv4: 17882698 dns-tcp-queries-received-ipv6: 2223871 dns-udp-responses-sent-ipv4: 2303549172 dns-udp-responses-sent-ipv6: 179608911 dns-tcp-responses-sent-ipv4: 17288774 dns-tcp-responses-sent-ipv6: 1587619