--- service: h.root-servers.net metric: traffic-volume start-period: '2015-11-19T00:00:00Z' end-period: '2015-11-19T23:59:59Z' dns-udp-queries-received-ipv4: 2209008071 dns-udp-queries-received-ipv6: 219327281 dns-tcp-queries-received-ipv4: 375946 dns-tcp-queries-received-ipv6: 313405 dns-udp-responses-sent-ipv4: 2110813708 dns-udp-responses-sent-ipv6: 219026176 dns-tcp-responses-sent-ipv4: 202841 dns-tcp-responses-sent-ipv6: 281154