SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
4-activetours.de
SSL/TLS Certificate
SSL/TLS Certificate for 4-activetours.de
Valid- Issued by (CA)
- Sectigo Limited
- Subject
- 4-activetours.de
- Valid from
- Feb 24, 2026
- Valid until
- Feb 24, 2027 (208 days remaining)
- Public key
- RSA 2048-bit
- Serial
- FD2DD2C2F9C9462753F8BA569D435FA8
- SHA-256 fingerprint
- D9:F7:6C:6C:90:7A:FB:29:48:A6:65:E5:4A:4B:11:1D:EE:BA:F5:FD:74:D8:D8:65:66:9D:0F:62:06:E4:4A:0C
- Chain
- Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by 4-activetours.de's certificate expiring
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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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