--- service: a.root-servers.net start-period: '2014-08-09T00:00:00Z' end-period: '2014-08-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1462448387 dns-udp-queries-received-ipv6: 80025002 dns-tcp-queries-received-ipv4: 13552259 dns-tcp-queries-received-ipv6: 766245 dns-udp-responses-sent-ipv4: 1462149802 dns-udp-responses-sent-ipv6: 80025079 dns-tcp-responses-sent-ipv4: 13637060 dns-tcp-responses-sent-ipv6: 297451