--- service: h.root-servers.net metric: traffic-volume start-period: '2015-08-27T00:00:00Z' end-period: '2015-08-27T23:59:59Z' dns-udp-queries-received-ipv4: 2263318827 dns-udp-queries-received-ipv6: 177979805 dns-tcp-queries-received-ipv4: 187816 dns-tcp-queries-received-ipv6: 317117 dns-udp-responses-sent-ipv4: 1967379007 dns-udp-responses-sent-ipv6: 177777466 dns-tcp-responses-sent-ipv4: 90948 dns-tcp-responses-sent-ipv6: 290959