SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
krosa.org
SSL/TLS Certificate
SSL/TLS Certificate for krosa.org
Hostname mismatch- Issued by (CA)
- Sectigo Limited
- Subject
- d260.x-mailer.de
- Valid from
- Jul 13, 2026
- Valid until
- Jan 27, 2027 (190 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 2CAE8FCCA42A05D15C472DB415FE0EDC
- SHA-256 fingerprint
- 18:20:9A:F2:93:AD:69:83:6B:A4:8E:E9:5F:BA:E4:2A:A0:EA:AD:1B:3A:71:71:CB:ED:CE:75:67:DA:EF:F3:84
- Chain
- Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.