--- service: h.root-servers.net metric: traffic-volume start-period: '2016-03-31T00:00:00Z' end-period: '2016-03-31T23:59:59Z' dns-udp-queries-received-ipv4: 3036154907 dns-udp-queries-received-ipv6: 288913432 dns-tcp-queries-received-ipv4: 864914 dns-tcp-queries-received-ipv6: 432441 dns-udp-responses-sent-ipv4: 2962416117 dns-udp-responses-sent-ipv6: 288963211 dns-tcp-responses-sent-ipv4: 460970 dns-tcp-responses-sent-ipv6: 394851