--- service: h.root-servers.net metric: traffic-volume start-period: '2016-04-15T00:00:00Z' end-period: '2016-04-15T23:59:59Z' dns-udp-queries-received-ipv4: 3045889003 dns-udp-queries-received-ipv6: 309090198 dns-tcp-queries-received-ipv4: 764151 dns-tcp-queries-received-ipv6: 521790 dns-udp-responses-sent-ipv4: 2985211054 dns-udp-responses-sent-ipv6: 309224986 dns-tcp-responses-sent-ipv4: 449776 dns-tcp-responses-sent-ipv6: 478351