--- service: h.root-servers.net metric: traffic-volume start-period: '2015-12-08T00:00:00Z' end-period: '2015-12-08T23:59:59Z' dns-udp-queries-received-ipv4: 3017431423 dns-udp-queries-received-ipv6: 235026439 dns-tcp-queries-received-ipv4: 994930 dns-tcp-queries-received-ipv6: 398907 dns-udp-responses-sent-ipv4: 2820166714 dns-udp-responses-sent-ipv6: 234880973 dns-tcp-responses-sent-ipv4: 837527 dns-tcp-responses-sent-ipv6: 361812