SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
leitwerk-ag.de
SSL/TLS Certificate
SSL/TLS Certificate for leitwerk-ag.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- leitwerk-ag.de
- Valid from
- Sep 15, 2026
- Valid until
- Dec 14, 2026 (29 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05A3E6B90F7C7CCBDFCE7FB845DBE8176C2E
- SHA-256 fingerprint
- DA:91:4B:12:9B:B8:9C:80:D4:7A:BB:A9:4D:90:5C:06:9C:1D:43:DC:C0:5B:9D:22:C5:A0:13:13:07:C4:C9:E2
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
We've observed 1 previous certificate for this host. This certificate has been served since Oct 10, 2026.
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Uptime
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DNS changes
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TLS certificate
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