--- service: j.root-servers.net start-period: '2015-10-30T00:00:00Z' end-period: '2015-10-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3924425814 dns-udp-queries-received-ipv6: 1212438 dns-tcp-queries-received-ipv4: 70191448 dns-tcp-queries-received-ipv6: 1521 dns-udp-responses-sent-ipv4: 3838374767 dns-udp-responses-sent-ipv6: 1225879 dns-tcp-responses-sent-ipv4: 67941172 dns-tcp-responses-sent-ipv6: 2969