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 medka.pl
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- medka.pl
- Valid from
- Jun 22, 2026
- Valid until
- Sep 20, 2026 (60 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 058141465D10B3AA389910A4AACE337D5AB6
- SHA-256 fingerprint
- 5D:6D:9F:8C:C0:5D:56:1E:E5:5F:9D:47:5D:34:C4:14:9A:7A:EF:C7:62:E2:D1:18:14:6F:78:51:C5:7C:FE:4D
- 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.