--- service: j.root-servers.net start-period: '2016-09-20T00:00:00Z' end-period: '2016-09-20T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6664554921 dns-udp-queries-received-ipv6: 659803205 dns-tcp-queries-received-ipv4: 179224611 dns-tcp-queries-received-ipv6: 6035366 dns-udp-responses-sent-ipv4: 6517366539 dns-udp-responses-sent-ipv6: 661171527 dns-tcp-responses-sent-ipv4: 143463333 dns-tcp-responses-sent-ipv6: 4656731