--- service: a.root-servers.net start-period: '2014-02-14T00:00:00Z' end-period: '2014-02-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2252067248 dns-udp-queries-received-ipv6: 100633047 dns-tcp-queries-received-ipv4: 11148196 dns-tcp-queries-received-ipv6: 1101928 dns-udp-responses-sent-ipv4: 2249063911 dns-udp-responses-sent-ipv6: 100624530 dns-tcp-responses-sent-ipv4: 11208664 dns-tcp-responses-sent-ipv6: 286