--- service: a.root-servers.net start-period: '2014-11-04T00:00:00Z' end-period: '2014-11-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2675921285 dns-udp-queries-received-ipv6: 195701319 dns-tcp-queries-received-ipv4: 17815831 dns-tcp-queries-received-ipv6: 1870070 dns-udp-responses-sent-ipv4: 2675101887 dns-udp-responses-sent-ipv6: 195503139 dns-tcp-responses-sent-ipv4: 16353546 dns-tcp-responses-sent-ipv6: 1210974