--- service: h.root-servers.net metric: traffic-volume start-period: '2015-10-18T00:00:00Z' end-period: '2015-10-18T23:59:59Z' dns-udp-queries-received-ipv4: 1774190985 dns-udp-queries-received-ipv6: 189111454 dns-tcp-queries-received-ipv4: 261884 dns-tcp-queries-received-ipv6: 287670 dns-udp-responses-sent-ipv4: 1705883584 dns-udp-responses-sent-ipv6: 188888124 dns-tcp-responses-sent-ipv4: 95281 dns-tcp-responses-sent-ipv6: 253624