--- service: h.root-servers.net metric: traffic-volume start-period: '2015-12-07T00:00:00Z' end-period: '2015-12-07T23:59:59Z' dns-udp-queries-received-ipv4: 3095143867 dns-udp-queries-received-ipv6: 234096094 dns-tcp-queries-received-ipv4: 883355 dns-tcp-queries-received-ipv6: 313807 dns-udp-responses-sent-ipv4: 2866676532 dns-udp-responses-sent-ipv6: 233973890 dns-tcp-responses-sent-ipv4: 698483 dns-tcp-responses-sent-ipv6: 271912