--- service: j.root-servers.net start-period: '2015-10-09T00:00:00Z' end-period: '2015-10-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4040339673 dns-udp-queries-received-ipv6: 412629629 dns-tcp-queries-received-ipv4: 63806120 dns-tcp-queries-received-ipv6: 15996350 dns-udp-responses-sent-ipv4: 3963315319 dns-udp-responses-sent-ipv6: 412363711 dns-tcp-responses-sent-ipv4: 61438989 dns-tcp-responses-sent-ipv6: 15507732