--- service: h.root-servers.net metric: traffic-volume start-period: '2015-10-15T00:00:00Z' end-period: '2015-10-15T23:59:59Z' dns-udp-queries-received-ipv4: 2050781362 dns-udp-queries-received-ipv6: 205556026 dns-tcp-queries-received-ipv4: 245849 dns-tcp-queries-received-ipv6: 303879 dns-udp-responses-sent-ipv4: 1972016792 dns-udp-responses-sent-ipv6: 205306496 dns-tcp-responses-sent-ipv4: 129410 dns-tcp-responses-sent-ipv6: 268540