--- service: h.root-servers.net metric: traffic-volume start-period: '2015-07-11T00:00:00Z' end-period: '2015-07-11T23:59:59Z' dns-udp-queries-received-ipv4: 1114666222 dns-udp-queries-received-ipv6: 77619017 dns-tcp-queries-received-ipv4: 118732 dns-tcp-queries-received-ipv6: 44006 dns-udp-responses-sent-ipv4: 911854247 dns-udp-responses-sent-ipv6: 71155325 dns-tcp-responses-sent-ipv4: 36494 dns-tcp-responses-sent-ipv6: 29760