--- service: a.root-servers.net start-period: '2014-10-27T00:00:00Z' end-period: '2014-10-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3746324906 dns-udp-queries-received-ipv6: 250297411 dns-tcp-queries-received-ipv4: 47724834 dns-tcp-queries-received-ipv6: 2487282 dns-udp-responses-sent-ipv4: 3746100378 dns-udp-responses-sent-ipv6: 250296365 dns-tcp-responses-sent-ipv4: 45180763 dns-tcp-responses-sent-ipv6: 1253875