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 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
Subject Alternative Names (4)
nmm.ac.uk, rmg.co.uk, www.nmm.ac.uk, www.rmg.co.uk

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.