--- service: h.root-servers.net metric: traffic-volume start-period: '2015-10-01T00:00:00Z' end-period: '2015-10-01T23:59:59Z' dns-udp-queries-received-ipv4: 1969332595 dns-udp-queries-received-ipv6: 184470985 dns-tcp-queries-received-ipv4: 277218 dns-tcp-queries-received-ipv6: 322579 dns-udp-responses-sent-ipv4: 1930833428 dns-udp-responses-sent-ipv6: 183079735 dns-tcp-responses-sent-ipv4: 144943 dns-tcp-responses-sent-ipv6: 290886