--- service: h.root-servers.net metric: traffic-volume start-period: '2015-09-25T00:00:00Z' end-period: '2015-09-25T23:59:59Z' dns-udp-queries-received-ipv4: 1998041470 dns-udp-queries-received-ipv6: 178075665 dns-tcp-queries-received-ipv4: 212981 dns-tcp-queries-received-ipv6: 342561 dns-udp-responses-sent-ipv4: 1902592559 dns-udp-responses-sent-ipv6: 176637062 dns-tcp-responses-sent-ipv4: 110192 dns-tcp-responses-sent-ipv6: 312183