--- service: a.root-servers.net start-period: '2014-09-10T00:00:00Z' end-period: '2014-09-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2095042986 dns-udp-queries-received-ipv6: 146477893 dns-tcp-queries-received-ipv4: 13691090 dns-tcp-queries-received-ipv6: 1532312 dns-udp-responses-sent-ipv4: 2098786679 dns-udp-responses-sent-ipv6: 146538579 dns-tcp-responses-sent-ipv4: 12959051 dns-tcp-responses-sent-ipv6: 1005422