SSL/TLS Certificate Lookup

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

tucana.co.uk

SSL/TLS Certificate

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SSL/TLS Certificate for tucana.co.uk

Valid
Issued by (CA)
Let's Encrypt
Subject
tucana.co.uk
Valid from
Jun 26, 2026
Valid until
Sep 24, 2026 (65 days remaining)
Public key
EC 256-bit
Serial
05CFFB647441C597BD5A09C7774106965F1D
SHA-256 fingerprint
C9:C7:DD:21:54:79:AD:0E:A2:24:B8:45:B0:CD:37:31:EF:5C:5D:D8:C2:A2:C3:5F:31:18:E0:AA:27:8B:FF:97
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (1)
tucana.co.uk

Certificate Authority Authorization (CAA)

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