--- service: h.root-servers.net metric: traffic-volume start-period: '2016-02-16T00:00:00Z' end-period: '2016-02-16T23:59:59Z' dns-udp-queries-received-ipv4: 3034308162 dns-udp-queries-received-ipv6: 254953463 dns-tcp-queries-received-ipv4: 784921 dns-tcp-queries-received-ipv6: 458963 dns-udp-responses-sent-ipv4: 2847764657 dns-udp-responses-sent-ipv6: 254788453 dns-tcp-responses-sent-ipv4: 506195 dns-tcp-responses-sent-ipv6: 413055