--- service: j.root-servers.net start-period: '2015-12-08T00:00:00Z' end-period: '2015-12-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4597283871 dns-udp-queries-received-ipv6: 557016339 dns-tcp-queries-received-ipv4: 119585350 dns-tcp-queries-received-ipv6: 2318098 dns-udp-responses-sent-ipv4: 4314925209 dns-udp-responses-sent-ipv6: 562374222 dns-tcp-responses-sent-ipv4: 106906292 dns-tcp-responses-sent-ipv6: 314554