--- service: j.root-servers.net start-period: '2014-09-15T00:00:00Z' end-period: '2014-09-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3823689135 dns-udp-queries-received-ipv6: 239674602 dns-tcp-queries-received-ipv4: 30278926 dns-tcp-queries-received-ipv6: 3030417 dns-udp-responses-sent-ipv4: 3808077309 dns-udp-responses-sent-ipv6: 238833917 dns-tcp-responses-sent-ipv4: 30648937 dns-tcp-responses-sent-ipv6: 2309780