--- service: h.root-servers.net metric: traffic-volume start-period: '2016-05-25T00:00:00Z' end-period: '2016-05-25T23:59:59Z' dns-udp-queries-received-ipv4: 4203117834 dns-udp-queries-received-ipv6: 365938392 dns-tcp-queries-received-ipv4: 233885 dns-tcp-queries-received-ipv6: 763678 dns-udp-responses-sent-ipv4: 4080169601 dns-udp-responses-sent-ipv6: 365896806 dns-tcp-responses-sent-ipv4: 130386 dns-tcp-responses-sent-ipv6: 717013