--- service: j.root-servers.net start-period: '2014-06-07T00:00:00Z' end-period: '2014-06-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3535958722 dns-udp-queries-received-ipv6: 229603188 dns-tcp-queries-received-ipv4: 31163764 dns-tcp-queries-received-ipv6: 5692458 dns-udp-responses-sent-ipv4: 3526074706 dns-udp-responses-sent-ipv6: 229487280 dns-tcp-responses-sent-ipv4: 30345601 dns-tcp-responses-sent-ipv6: 2929392