--- service: j.root-servers.net start-period: '2014-01-07T00:00:00Z' end-period: '2014-01-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2859785391 dns-udp-queries-received-ipv6: 167370743 dns-tcp-queries-received-ipv4: 24103580 dns-tcp-queries-received-ipv6: 2636580 dns-udp-responses-sent-ipv4: 2853121469 dns-udp-responses-sent-ipv6: 167358121 dns-tcp-responses-sent-ipv4: 22043222 dns-tcp-responses-sent-ipv6: 164