--- service: a.root-servers.net start-period: '2014-02-01T00:00:00Z' end-period: '2014-02-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1071752232 dns-udp-queries-received-ipv6: 64588960 dns-tcp-queries-received-ipv4: 6276135 dns-tcp-queries-received-ipv6: 986585 dns-udp-responses-sent-ipv4: 1071759704 dns-udp-responses-sent-ipv6: 64581903 dns-tcp-responses-sent-ipv4: 6260895 dns-tcp-responses-sent-ipv6: 109