--- service: j.root-servers.net start-period: '2016-09-04T00:00:00Z' end-period: '2016-09-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6693086554 dns-udp-queries-received-ipv6: 705706019 dns-tcp-queries-received-ipv4: 238094369 dns-tcp-queries-received-ipv6: 5122788 dns-udp-responses-sent-ipv4: 6457747149 dns-udp-responses-sent-ipv6: 706747888 dns-tcp-responses-sent-ipv4: 177844281 dns-tcp-responses-sent-ipv6: 3073092