--- service: j.root-servers.net start-period: '2016-06-07T00:00:00Z' end-period: '2016-06-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6124378732 dns-udp-queries-received-ipv6: 727600455 dns-tcp-queries-received-ipv4: 210305078 dns-tcp-queries-received-ipv6: 3665444 dns-udp-responses-sent-ipv4: 5850026010 dns-udp-responses-sent-ipv6: 727375329 dns-tcp-responses-sent-ipv4: 167793359 dns-tcp-responses-sent-ipv6: 873643