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 it2.pl
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- *.it2.pl
- Valid from
- Jul 18, 2026
- Valid until
- Oct 16, 2026 (86 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05998EDE81486ECE0B881F19FEF396817EE1
- SHA-256 fingerprint
- 9D:56:78:FB:A7:98:7D:85:7A:09:A9:99:2C:40:98:DD:1A:2B:88:8A:94:CC:F3:E6:40:7E:63:8B:C5:72:B8:01
- 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.