--- service: h.root-servers.net metric: traffic-volume start-period: '2015-11-30T00:00:00Z' end-period: '2015-11-30T23:59:59Z' dns-udp-queries-received-ipv4: 4434199315 dns-udp-queries-received-ipv6: 200114394 dns-tcp-queries-received-ipv4: 408980 dns-tcp-queries-received-ipv6: 316308 dns-udp-responses-sent-ipv4: 1998347585 dns-udp-responses-sent-ipv6: 199280302 dns-tcp-responses-sent-ipv4: 294417 dns-tcp-responses-sent-ipv6: 284833