SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
aktiv-nature-tours.de
SSL/TLS Certificate
SSL/TLS Certificate for aktiv-nature-tours.de
Valid- Issued by (CA)
- ZeroSSL GmbH
- Subject
- aktiv-nature-tours.de
- Valid from
- Nov 2, 2026
- Valid until
- Jan 31, 2027 (84 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 14FEC760D7DD33D6E5348EBAD7E64279
- SHA-256 fingerprint
- 00:64:F3:70:BA:98:5C:AA:74:4D:5F:10:B0:D9:1D:A7:77:F7:70:F7:5D:6E:D1:62:CB:3D:DC:7C:9C:51:B5:60
- Chain
- ZeroSSL RSA DV SSL CA 2 → Sectigo Public Server Authentication Root R46
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by aktiv-nature-tours.de's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch aktiv-nature-tours.de continuously, notifying you the moment anything moves across all three signals:
Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
DNS changes
We watch NS, MX, CAA, CNAME, TXT 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.
Free for your first domain: uptime, DNS, and certificate together. No credit card.