--- service: a.root-servers.net start-period: '2014-05-08T00:00:00Z' end-period: '2014-05-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3260778800 dns-udp-queries-received-ipv6: 136607140 dns-tcp-queries-received-ipv4: 15541149 dns-tcp-queries-received-ipv6: 1290112 dns-udp-responses-sent-ipv4: 3260104453 dns-udp-responses-sent-ipv6: 136601253 dns-tcp-responses-sent-ipv4: 15614120 dns-tcp-responses-sent-ipv6: 118