--- service: j.root-servers.net start-period: '2015-10-01T00:00:00Z' end-period: '2015-10-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4096543809 dns-udp-queries-received-ipv6: 527973038 dns-tcp-queries-received-ipv4: 68330026 dns-tcp-queries-received-ipv6: 20741406 dns-udp-responses-sent-ipv4: 4072257412 dns-udp-responses-sent-ipv6: 528128586 dns-tcp-responses-sent-ipv4: 67348724 dns-tcp-responses-sent-ipv6: 18748961