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 ptec.de
Valid- Issued by (CA)
- ZeroSSL GmbH
- Subject
- www.ptec.de
- Valid from
- Jun 23, 2026
- Valid until
- Sep 21, 2026 (63 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 5C001797A69A762F45DDABD59B8F69DC
- SHA-256 fingerprint
- 74:86:3A:37:15:EE:0E:1E:77:DC:70:63:D3:23:E1:90:65:C4:AE:12:8F:35:32:92:CC:A1:57:68:66:21:75:D9
- Chain
- ZeroSSL RSA DV SSL CA 2 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.