--- service: h.root-servers.net metric: traffic-volume start-period: '2015-05-24T00:00:00Z' end-period: '2015-05-24T23:59:59Z' dns-udp-queries-received-ipv4: 860687314 dns-udp-queries-received-ipv6: 94001190 dns-tcp-queries-received-ipv4: 137066 dns-tcp-queries-received-ipv6: 61860 dns-udp-responses-sent-ipv4: 824222571 dns-udp-responses-sent-ipv6: 87914148 dns-tcp-responses-sent-ipv4: 53025 dns-tcp-responses-sent-ipv6: 42141