--- service: h.root-servers.net metric: traffic-volume start-period: '2016-01-09T00:00:00Z' end-period: '2016-01-09T23:59:59Z' dns-udp-queries-received-ipv4: 2682973641 dns-udp-queries-received-ipv6: 246506594 dns-tcp-queries-received-ipv4: 391378 dns-tcp-queries-received-ipv6: 351438 dns-udp-responses-sent-ipv4: 2577844895 dns-udp-responses-sent-ipv6: 246282827 dns-tcp-responses-sent-ipv4: 244540 dns-tcp-responses-sent-ipv6: 322885