--- service: a.root-servers.net start-period: '2014-02-10T00:00:00Z' end-period: '2014-02-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1340269825 dns-udp-queries-received-ipv6: 80855009 dns-tcp-queries-received-ipv4: 7940221 dns-tcp-queries-received-ipv6: 1112037 dns-udp-responses-sent-ipv4: 1340338380 dns-udp-responses-sent-ipv6: 80845209 dns-tcp-responses-sent-ipv4: 7946421 dns-tcp-responses-sent-ipv6: 110