SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

failsafe-alarms.co.uk

SSL/TLS Certificate

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SSL/TLS Certificate for failsafe-alarms.co.uk

Valid
Issued by (CA)
Sectigo Limited
Subject
failsafe-alarms.co.uk
Valid from
Mar 3, 2026
Valid until
Mar 3, 2027 (226 days remaining)
Public key
RSA 4096-bit
Serial
FCC72FA206F3CCA36E682161E8E7DE5A
SHA-256 fingerprint
91:B2:20:C0:31:AD:54:79:1B:FF:2C:DD:BD:54:A5:27:A9:60:C0:8C:78:F4:E9:43:58:6E:04:A6:43:58:92:8B
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46
Subject Alternative Names (2)
failsafe-alarms.co.uk, www.failsafe-alarms.co.uk

Certificate Authority Authorization (CAA)

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