SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
ocean12tech.com
SSL/TLS Certificate
SSL/TLS Certificate for ocean12tech.com
Expired- Issued by (CA)
- Let's Encrypt
- Subject
- mail.ocean12tech.com
- Valid from
- Mar 20, 2026
- Valid until
- Jun 18, 2026 (expired 34 days ago)
- Public key
- RSA 2048-bit
- Serial
- 057FF7210EAC585DBBA4801BCBC495726600
- SHA-256 fingerprint
- BD:D0:52:0A:AC:D2:D3:E0:2D:DF:29:35:AA:50:B8:D2:2C:5D:FE:F0:3C:AA:43:84:17:E8:27:67:E7:FB:F2:92
- Chain
- R12 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.