--- service: a.root-servers.net start-period: '2014-10-15T00:00:00Z' end-period: '2014-10-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2819450334 dns-udp-queries-received-ipv6: 178460453 dns-tcp-queries-received-ipv4: 24560552 dns-tcp-queries-received-ipv6: 1944001 dns-udp-responses-sent-ipv4: 2812527124 dns-udp-responses-sent-ipv6: 178398493 dns-tcp-responses-sent-ipv4: 23135149 dns-tcp-responses-sent-ipv6: 1171209