--- service: h.root-servers.net metric: traffic-volume start-period: '2015-09-22T00:00:00Z' end-period: '2015-09-22T23:59:59Z' dns-udp-queries-received-ipv4: 1828625594 dns-udp-queries-received-ipv6: 183221637 dns-tcp-queries-received-ipv4: 253802 dns-tcp-queries-received-ipv6: 336265 dns-udp-responses-sent-ipv4: 1791292722 dns-udp-responses-sent-ipv6: 181728235 dns-tcp-responses-sent-ipv4: 133507 dns-tcp-responses-sent-ipv6: 300201