SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
tehly-porotherm.sk
SSL/TLS Certificate
SSL/TLS Certificate for tehly-porotherm.sk
Hostname mismatch- Issued by (CA)
- Let's Encrypt
- Subject
- *.r1.websupport.sk
- Valid from
- May 26, 2026
- Valid until
- Aug 24, 2026 (34 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 05A51405B50842432F40C1329369C292A24D
- SHA-256 fingerprint
- 50:D7:C1:C7:9C:5D:94:00:3C:B3:B8:2B:FE:B6:A8:87:8E:92:C2:FA:4A:BD:86:C0:7B:D0:60:7F:D1:E3:45:86
- Chain
- R12 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.