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 sask.fi
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- sask.fi
- Valid from
- Jun 8, 2026
- Valid until
- Sep 6, 2026 (47 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 054AC7303C62D1DDEF3E02C4873FEF6AB38B
- SHA-256 fingerprint
- 0B:80:4D:F6:FC:70:21:EC:64:5C:E5:56:A1:C1:24:D9:BC:4C:FB:C4:45:D0:A2:0E:EC:37:03:57:00:BD:21:F4
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.