--- service: j.root-servers.net start-period: '2016-04-07T00:00:00Z' end-period: '2016-04-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5636687103 dns-udp-queries-received-ipv6: 708776652 dns-tcp-queries-received-ipv4: 175893606 dns-tcp-queries-received-ipv6: 2740315 dns-udp-responses-sent-ipv4: 5369283198 dns-udp-responses-sent-ipv6: 710982966 dns-tcp-responses-sent-ipv4: 152417167 dns-tcp-responses-sent-ipv6: 305639