--- service: j.root-servers.net start-period: '2015-07-08T00:00:00Z' end-period: '2015-07-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3380487907 dns-udp-queries-received-ipv6: 271830019 dns-tcp-queries-received-ipv4: 33324368 dns-tcp-queries-received-ipv6: 20336096 dns-udp-responses-sent-ipv4: 3322835982 dns-udp-responses-sent-ipv6: 271694962 dns-tcp-responses-sent-ipv4: 32384090 dns-tcp-responses-sent-ipv6: 18298661