SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
gcm-claims.com
SSL/TLS Certificate
SSL/TLS Certificate for gcm-claims.com
Expired- Issued by (CA)
- Let's Encrypt
- Subject
- www.altenbach.de
- Valid from
- Jul 28, 2026
- Valid until
- Oct 26, 2026 (expired 21 days ago)
- Public key
- RSA 2048-bit
- Serial
- 05C9417D7EFDF3F42FEB35D4034FD24E19F2
- SHA-256 fingerprint
- A5:00:83:7D:7F:92:FF:87:79:F0:2F:71:48:4A:1E:9D:8F:2F:CA:3B:BF:52:E6:1A:C0:94:D4:B0:F5:4E:8B:31
- 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.
This certificate has been served since Nov 11, 2026.
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Uptime
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DNS changes
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TLS certificate
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