--- service: h.root-servers.net metric: traffic-volume start-period: '2015-09-10T00:00:00Z' end-period: '2015-09-10T23:59:59Z' dns-udp-queries-received-ipv4: 2576196090 dns-udp-queries-received-ipv6: 174130786 dns-tcp-queries-received-ipv4: 348184 dns-tcp-queries-received-ipv6: 301006 dns-udp-responses-sent-ipv4: 2269959049 dns-udp-responses-sent-ipv6: 173954575 dns-tcp-responses-sent-ipv4: 217088 dns-tcp-responses-sent-ipv6: 274840