SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
ublock.io
SSL/TLS Certificate
SSL/TLS Certificate for ublock.io
Expired- Issued by (CA)
- Let's Encrypt
- Subject
- ublock.io
- Valid from
- Jul 18, 2025
- Valid until
- Oct 16, 2025 (expired 279 days ago)
- Public key
- EC 256-bit
- Serial
- 05CA94F5D6CD010509F454C5186E6CA4D89C
- SHA-256 fingerprint
- 96:13:37:31:F6:6C:59:8D:B7:85:1F:8A:9E:8B:F8:AA:29:71:80:B1:A5:5D:45:BF:AF:3A:5B:F6:DF:FF:CF:97
- Chain
- E5 → ISRG Root X1
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 20, 2026.
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TLS certificate
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