--- service: j.root-servers.net start-period: '2015-10-19T00:00:00Z' end-period: '2015-10-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4033712217 dns-udp-queries-received-ipv6: 10092178 dns-tcp-queries-received-ipv4: 68135860 dns-tcp-queries-received-ipv6: 7612644 dns-udp-responses-sent-ipv4: 3942401041 dns-udp-responses-sent-ipv6: 9604550 dns-tcp-responses-sent-ipv4: 66138898 dns-tcp-responses-sent-ipv6: 8049962