--- service: h.root-servers.net metric: traffic-volume start-period: '2016-02-29T00:00:00Z' end-period: '2016-02-29T23:59:59Z' dns-udp-queries-received-ipv4: 2908499068 dns-udp-queries-received-ipv6: 253103656 dns-tcp-queries-received-ipv4: 761957 dns-tcp-queries-received-ipv6: 622442 dns-udp-responses-sent-ipv4: 2769173015 dns-udp-responses-sent-ipv6: 252967619 dns-tcp-responses-sent-ipv4: 453793 dns-tcp-responses-sent-ipv6: 553233