--- service: j.root-servers.net start-period: '2015-10-08T00:00:00Z' end-period: '2015-10-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4097045116 dns-udp-queries-received-ipv6: 417304333 dns-tcp-queries-received-ipv4: 61797576 dns-tcp-queries-received-ipv6: 15934090 dns-udp-responses-sent-ipv4: 4011196995 dns-udp-responses-sent-ipv6: 418077465 dns-tcp-responses-sent-ipv4: 59995224 dns-tcp-responses-sent-ipv6: 15225817