Technical and passive OSINT · Hosted free and open-data sources
crt.sh
Licence or access: no-key hosted CT search
- status access
- no-key hosted CT search
- i o and fit
- domain/pattern → certificate/name records; commonly JSON
- current limitations and safe interpretation
- no formal API SLA/quota; throttle/cache; issuance ≠ current asset
- official source
- crt.sh
Official sources
- crt.sh https://crt.sh/
Catalogued at the 2026-09-01 research baseline. Verify the licence, free-tier limits, API schema and source terms again before deployment, and record a version-pinned registry entry for whatever you select.