SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
wfg-borken.de
SSL/TLS Certificate
SSL/TLS Certificate for wfg-borken.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- wfg-borken.de
- Valid from
- Jul 5, 2026
- Valid until
- Oct 3, 2026 (48 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05B92F664F3867C8C04675E400211D56913B
- SHA-256 fingerprint
- F1:7B:63:24:84:4A:E1:2D:67:7C:E0:B1:EE:1E:07:82:8A:2E:9F:BF:CD:58:61:6A:FB:98:42:2B:7F:42:54:02
- 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.
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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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