--- service: h.root-servers.net metric: traffic-volume start-period: '2016-01-12T00:00:00Z' end-period: '2016-01-12T23:59:59Z' dns-udp-queries-received-ipv4: 2817000037 dns-udp-queries-received-ipv6: 255638521 dns-tcp-queries-received-ipv4: 446484 dns-tcp-queries-received-ipv6: 360023 dns-udp-responses-sent-ipv4: 2711779722 dns-udp-responses-sent-ipv6: 255347181 dns-tcp-responses-sent-ipv4: 328004 dns-tcp-responses-sent-ipv6: 326724