--- service: a.root-servers.net start-period: '2014-10-11T00:00:00Z' end-period: '2014-10-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2438177190 dns-udp-queries-received-ipv6: 162049073 dns-tcp-queries-received-ipv4: 15673405 dns-tcp-queries-received-ipv6: 1660244 dns-udp-responses-sent-ipv4: 2434680703 dns-udp-responses-sent-ipv6: 162001418 dns-tcp-responses-sent-ipv4: 14488099 dns-tcp-responses-sent-ipv6: 1123628