--- service: a.root-servers.net start-period: '2014-08-18T00:00:00Z' end-period: '2014-08-18T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2084129569 dns-udp-queries-received-ipv6: 141652691 dns-tcp-queries-received-ipv4: 22305297 dns-tcp-queries-received-ipv6: 1931737 dns-udp-responses-sent-ipv4: 2084077751 dns-udp-responses-sent-ipv6: 141607273 dns-tcp-responses-sent-ipv4: 21851802 dns-tcp-responses-sent-ipv6: 949485