--- service: j.root-servers.net start-period: '2014-06-19T00:00:00Z' end-period: '2014-06-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4205999101 dns-udp-queries-received-ipv6: 201913315 dns-tcp-queries-received-ipv4: 42399112 dns-tcp-queries-received-ipv6: 5042236 dns-udp-responses-sent-ipv4: 4203079907 dns-udp-responses-sent-ipv6: 201844221 dns-tcp-responses-sent-ipv4: 39300049 dns-tcp-responses-sent-ipv6: 2774796