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 swits.pl
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- swits.pl
- Valid from
- Jul 17, 2026
- Valid until
- Oct 15, 2026 (86 days remaining)
- Public key
- EC 384-bit
- Serial
- 054E6A12D31EA7AC55E364C95246675495A4
- SHA-256 fingerprint
- 9D:A3:C0:39:C5:D5:69:AE:32:92:17:6E:1A:D7:75:3C:C0:CC:4A:00:C4:7C:65:E7:A5:30:1E:8F:17:1E:B6:14
- Chain
- YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.