generated: '2026-07-20' method: probed source: DNS + TCP/TLS probe of dajiabao.com (api-evangelist enrichment pipeline) domain: dajiabao.com reachable: false summary: >- dajiabao.com resolves in DNS but serves no web content. Both TCP/80 and TCP/443 time out (connection refused / filtered) from the probe host, so no HTTP, TLS, HSTS, or /.well-known/ surface could be evaluated. Mail is delegated to Tencent Exmail. No email-authentication or certificate-issuance policy records are published. dns: a: - 139.196.207.93 nameservers: - ns1.ename.net - ns2.ename.net mx: - priority: 5 host: mxbiz1.qq.com - priority: 10 host: mxbiz2.qq.com dnssec: enabled: false evidence: no DS record at the parent zone caa: present: false evidence: no CAA RRset on dajiabao.com registration: registrar: eName Technology Co., Ltd. created: '2010-07-16' expires: '2028-07-16' status: - clientDeleteProhibited - clientTransferProhibited email_authentication: spf: present: false evidence: no v=spf1 TXT record on dajiabao.com dmarc: present: false evidence: no TXT record at _dmarc.dajiabao.com transport: https: reachable: false port: 443 evidence: TCP connect to 139.196.207.93:443 refused/timed out http: reachable: false port: 80 evidence: TCP connect to 139.196.207.93:80 refused/timed out tls: null hsts: null well_known: probed: false evidence: host unreachable over HTTP/HTTPS; /.well-known/ could not be requested notes: - The unrelated domain dajiabao.cn (154.89.236.95) serves SEO-spam/adult keyword content and is NOT associated with this company. It was checked and deliberately excluded from this profile.