--- service: a.root-servers.net start-period: '2014-04-10T00:00:00Z' end-period: '2014-04-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2608206710 dns-udp-queries-received-ipv6: 95393349 dns-tcp-queries-received-ipv4: 13439840 dns-tcp-queries-received-ipv6: 1002611 dns-udp-responses-sent-ipv4: 2607533585 dns-udp-responses-sent-ipv6: 95377794 dns-tcp-responses-sent-ipv4: 13348120 dns-tcp-responses-sent-ipv6: 170