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 cukc.ca
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- cukc.ca
- Valid from
- Jun 13, 2026
- Valid until
- Sep 11, 2026 (52 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05BA1D1E1F3ADF9A741647B0EB7ABD4593E5
- SHA-256 fingerprint
- 1B:C2:49:76:A9:36:65:3C:9F:91:3F:F6:44:7A:0A:D0:D3:34:1F:7B:C0:F7:36:31:F9:5D:65:55:24:0D:CF:32
- 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.