SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
abenteuer-universum.de
SSL/TLS Certificate
SSL/TLS Certificate for abenteuer-universum.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- abenteuer-universum.de
- Valid from
- Sep 8, 2026
- Valid until
- Dec 7, 2026 (26 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 055A1354DBAB4FE985366DB201D9092A37C0
- SHA-256 fingerprint
- 82:0A:0F:38:FC:5E:68:70:5C:DA:9B:A9:2E:79:71:02:25:04:A1:59:A2:0A:CB:1E:4B:EF:74:4C:1A:6A:E8:D0
- 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 19, 2026.
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Uptime
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DNS changes
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TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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