--- service: h.root-servers.net metric: traffic-volume start-period: '2016-03-01T00:00:00Z' end-period: '2016-03-01T23:59:59Z' dns-udp-queries-received-ipv4: 2936117778 dns-udp-queries-received-ipv6: 270158394 dns-tcp-queries-received-ipv4: 848931 dns-tcp-queries-received-ipv6: 682519 dns-udp-responses-sent-ipv4: 2818202446 dns-udp-responses-sent-ipv6: 270036106 dns-tcp-responses-sent-ipv4: 531390 dns-tcp-responses-sent-ipv6: 616150