--- service: j.root-servers.net start-period: '2015-12-10T00:00:00Z' end-period: '2015-12-10T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4781394257 dns-udp-queries-received-ipv6: 576345601 dns-tcp-queries-received-ipv4: 117408603 dns-tcp-queries-received-ipv6: 2402116 dns-udp-responses-sent-ipv4: 4494207951 dns-udp-responses-sent-ipv6: 580511805 dns-tcp-responses-sent-ipv4: 105598292 dns-tcp-responses-sent-ipv6: 314312