SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
netlab.pt
SSL/TLS Certificate
SSL/TLS Certificate for netlab.pt
Expired- Issued by (CA)
- Let's Encrypt
- Subject
- netlab.pt
- Valid from
- Jan 17, 2026
- Valid until
- Apr 17, 2026 (expired 96 days ago)
- Public key
- EC 256-bit
- Serial
- 05EC8021D87025E5D4C18E496A913E20E937
- SHA-256 fingerprint
- 52:C9:99:7D:B3:87:0B:BF:A6:54:17:77:08:85:47:A9:E6:00:22:1A:80:7F:E6:83:E3:BE:F2:42:65:B7:4A:1A
- Chain
- E8 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.