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 upab.se
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- www.upab.se
- Valid from
- Jun 16, 2026
- Valid until
- Sep 14, 2026 (54 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05A59F181D22B345E2F95B2DEDF6FD6CD629
- SHA-256 fingerprint
- 73:FE:E0:C8:1E:FC:B5:68:61:F9:3C:08:E0:A3:87:E0:7F:33:67:72:BD:19:DC:67:03:08:50:E2:2E:84:46:18
- 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.