SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
fsem.ac.uk
SSL/TLS Certificate
SSL/TLS Certificate for fsem.ac.uk
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- fsem.ac.uk
- Valid from
- Jul 15, 2026
- Valid until
- Oct 13, 2026 (84 days remaining)
- Public key
- EC 256-bit
- Serial
- 056917F67122A5CE866963E2CCF9EF797E59
- SHA-256 fingerprint
- 15:11:E6:80:FD:2B:09:0E:A7:AE:7D:5F:5C:30:40:63:40:51:EC:45:09:39:25:E1:20:6E:5D:06:0C:89:1D:46
- Chain
- YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.