--- service: h.root-servers.net metric: traffic-volume start-period: '2016-05-11T00:00:00Z' end-period: '2016-05-11T23:59:59Z' dns-udp-queries-received-ipv4: 3012482451 dns-udp-queries-received-ipv6: 294842850 dns-tcp-queries-received-ipv4: 1032660 dns-tcp-queries-received-ipv6: 326519 dns-udp-responses-sent-ipv4: 2961651804 dns-udp-responses-sent-ipv6: 296193057 dns-tcp-responses-sent-ipv4: 814509 dns-tcp-responses-sent-ipv6: 272113