--- service: h.root-servers.net metric: traffic-volume start-period: '2015-12-09T00:00:00Z' end-period: '2015-12-09T23:59:59Z' dns-udp-queries-received-ipv4: 3020022040 dns-udp-queries-received-ipv6: 232444102 dns-tcp-queries-received-ipv4: 1150032 dns-tcp-queries-received-ipv6: 373406 dns-udp-responses-sent-ipv4: 2864854042 dns-udp-responses-sent-ipv6: 232429037 dns-tcp-responses-sent-ipv4: 917525 dns-tcp-responses-sent-ipv6: 339560