--- service: j.root-servers.net start-period: '2014-09-01T00:00:00Z' end-period: '2014-09-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4078980503 dns-udp-queries-received-ipv6: 218889668 dns-tcp-queries-received-ipv4: 41326944 dns-tcp-queries-received-ipv6: 3176730 dns-udp-responses-sent-ipv4: 4071168762 dns-udp-responses-sent-ipv6: 218562793 dns-tcp-responses-sent-ipv4: 42066043 dns-tcp-responses-sent-ipv6: 2472285