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 sl.pt
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- sl.pt
- Valid from
- Jul 9, 2026
- Valid until
- Oct 7, 2026 (77 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 057E3D806F8283487D9EA5ECB24BC9AFF814
- SHA-256 fingerprint
- 37:0F:13:AB:C1:5E:2D:96:39:E2:B7:20:18:2C:A9:E7:92:16:83:27:46:3A:FD:EF:E1:77:9A:21:DA:9D:53:ED
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.