--- service: h.root-servers.net metric: traffic-volume start-period: '2015-09-03T00:00:00Z' end-period: '2015-09-03T23:59:59Z' dns-udp-queries-received-ipv4: 2336531104 dns-udp-queries-received-ipv6: 174070985 dns-tcp-queries-received-ipv4: 264476 dns-tcp-queries-received-ipv6: 277619 dns-udp-responses-sent-ipv4: 2029666913 dns-udp-responses-sent-ipv6: 173816872 dns-tcp-responses-sent-ipv4: 120663 dns-tcp-responses-sent-ipv6: 243584