SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
cf-group.cz
SSL/TLS Certificate
SSL/TLS Certificate for cf-group.cz
Valid- Issued by (CA)
- ZeroSSL GmbH
- Subject
- cf-group.cz
- Valid from
- Nov 10, 2026
- Valid until
- Feb 8, 2027 (89 days remaining)
- Public key
- EC 384-bit
- Serial
- E3B4881E69757B689041A24FA4D2B45F
- SHA-256 fingerprint
- D9:02:31:09:85:DD:42:8B:7D:C6:18:50:10:C2:35:47:D5:DC:B9:6F:1C:CF:5C:3A:7C:DF:C1:AD:66:E5:A6:2F
- Chain
- ZeroSSL ECC DV SSL CA 2 → Sectigo Public Server Authentication Root E46 → USERTrust ECC 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 cf-group.cz's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch cf-group.cz 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.