--- service: a.root-servers.net start-period: '2013-11-14T00:00:00Z' end-period: '2013-11-14T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1610300809 dns-udp-queries-received-ipv6: 90699350 dns-tcp-queries-received-ipv4: 7473888 dns-tcp-queries-received-ipv6: 2087703 dns-udp-responses-sent-ipv4: 1609031360 dns-udp-responses-sent-ipv6: 90710428 dns-tcp-responses-sent-ipv4: 7593504 dns-tcp-responses-sent-ipv6: 8595