--- service: h.root-servers.net metric: traffic-volume start-period: '2015-12-29T00:00:00Z' end-period: '2015-12-29T23:59:59Z' dns-udp-queries-received-ipv4: 2671416707 dns-udp-queries-received-ipv6: 261223780 dns-tcp-queries-received-ipv4: 553044 dns-tcp-queries-received-ipv6: 373262 dns-udp-responses-sent-ipv4: 2607281767 dns-udp-responses-sent-ipv6: 260902357 dns-tcp-responses-sent-ipv4: 363970 dns-tcp-responses-sent-ipv6: 338027