SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
cytec.co.uk
SSL/TLS Certificate
SSL/TLS Certificate for cytec.co.uk
Expired- Issued by (CA)
- Sectigo Limited
- Subject
- cytec.co.uk
- Valid from
- Feb 4, 2025
- Valid until
- Feb 4, 2026 (expired 174 days ago)
- Public key
- RSA 2048-bit
- Serial
- 8B4D139C5E5A34281657D4D8F822D7C6
- SHA-256 fingerprint
- 60:5E:C6:1C:64:17:13:2F:37:BB:2A:A7:47:82:2D:64:70:0D:10:01:D9:0C:C8:B2:E0:B2:A0:DD:8E:B0:EA:0C
- Chain
- Sectigo RSA Domain Validation Secure Server CA → USERTrust RSA Certification Authority
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Jul 22, 2026.
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TLS certificate
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