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 fesel.pt
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- fesel.pt
- Valid from
- Jun 1, 2026
- Valid until
- Aug 30, 2026 (40 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 064615711AE424AE8898AD2FDF867A50FBF1
- SHA-256 fingerprint
- 70:12:F7:99:F4:21:47:2B:3C:C2:C0:B3:06:FB:96:18:8B:2B:29:FB:0C:A5:9E:7E:6E:0D:12:1A:5F:94:84:E9
- 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.