SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
weka-service.de
SSL/TLS Certificate
SSL/TLS Certificate for weka-service.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- ftf-weka.de
- Valid from
- Jul 11, 2026
- Valid until
- Oct 9, 2026 (77 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 05FB5AF08493A38933B31BA5EA21CE5187DB
- SHA-256 fingerprint
- 03:AC:36:57:98:7D:E5:21:83:B0:43:2B:6C:F0:21:70:79:2F:BA:48:E5:45:5F:A2:87:8D:D3:8F:EB:9D:AA:94
- Chain
- YR2 → 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 Jul 22, 2026.
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Uptime
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DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
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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