SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
rischer-ingenieure.com
SSL/TLS Certificate
SSL/TLS Certificate for rischer-ingenieure.com
Expired- Issued by (CA)
- COMODO CA Limited
- Subject
- *.schalk-development.de
- Valid from
- Aug 1, 2016
- Valid until
- Aug 1, 2019 (expired 2635 days ago)
- Public key
- RSA 2048-bit
- Serial
- C868080436F8CA24108FB89E0EDBD268
- SHA-256 fingerprint
- 47:20:62:D8:AC:72:BE:B1:7A:F3:13:B4:79:10:DA:2A:5B:4F:40:49:6F:4E:02:96:56:4F:43:95:5E:61:5D:8D
- Chain
- COMODO RSA Domain Validation Secure Server CA → COMODO RSA Certification Authority
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Oct 3, 2026.
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TLS certificate
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