SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
SSL/TLS Certificate for sembo.fi
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- www.sembo.fi
- Valid from
- Jun 19, 2026
- Valid until
- Sep 17, 2026 (58 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 054495BE5D62088B72DD3C41478837B7774A
- SHA-256 fingerprint
- E4:20:76:5A:88:5A:3D:4D:F6:0B:22:1F:1F:95:94:61:9A:48:7D:55:16:84:8E:54:AF:D2:E6:E0:B8:C5:B5:DD
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.