--- service: a.root-servers.net start-period: '2014-11-09T00:00:00Z' end-period: '2014-11-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2362625835 dns-udp-queries-received-ipv6: 182990194 dns-tcp-queries-received-ipv4: 14803073 dns-tcp-queries-received-ipv6: 1809886 dns-udp-responses-sent-ipv4: 2361867765 dns-udp-responses-sent-ipv6: 183042188 dns-tcp-responses-sent-ipv4: 13569980 dns-tcp-responses-sent-ipv6: 1380334