SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
nmm.ac.uk
SSL/TLS Certificate
SSL/TLS Certificate for nmm.ac.uk
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- nmm.ac.uk
- Valid from
- May 29, 2026
- Valid until
- Aug 27, 2026 (37 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 06F656C1D881845F9468D3819250FC2323F6
- SHA-256 fingerprint
- C8:BF:DC:56:A9:75:C3:97:AA:EE:FC:D8:8D:5F:86:FB:B1:5F:F6:40:9F:2C:99:4E:E9:F9:42:93:AF:E1:17:30
- 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.