--- service: j.root-servers.net start-period: '2015-08-07T00:00:00Z' end-period: '2015-08-07T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4683843799 dns-udp-queries-received-ipv6: 309176852 dns-tcp-queries-received-ipv4: 50634342 dns-tcp-queries-received-ipv6: 23568164 dns-udp-responses-sent-ipv4: 3575879636 dns-udp-responses-sent-ipv6: 308693368 dns-tcp-responses-sent-ipv4: 49339601 dns-tcp-responses-sent-ipv6: 19832309