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 colca.de
Valid- Issued by (CA)
- ZeroSSL GmbH
- Subject
- colca.de
- Valid from
- Jul 2, 2026
- Valid until
- Sep 30, 2026 (71 days remaining)
- Public key
- EC 256-bit
- Serial
- 1600CD6C980425EB431183F998C82801
- SHA-256 fingerprint
- 51:C6:AE:2A:05:09:1F:21:CA:E6:3C:38:24:42:52:69:B8:A7:47:0B:FA:15:86:3D:D3:A9:26:15:9D:55:72:C6
- Chain
- ZeroSSL ECC DV SSL CA 2 → Sectigo Public Server Authentication Root E46 → USERTrust ECC Certification Authority
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.