Is donfelder.cz Safe? Security Analysis for EWE s.r.o.
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SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
AI Summary
Don Felder is a small Czech-based business operating a diving center, retail shop, and accommodation services primarily focused on the Croatian island of Brač. The website presents basic information about diving courses, equipment rental, lodging, and a diving guide book. The business targets diving enthusiasts and tourists interested in hospitality services in Croatia. The digital presence is minimalistic with basic HTML and CSS, lacking advanced technical frameworks or CMS platforms. There is no evidence of modern analytics or advertising technologies. Security posture is weak due to missing HTTPS confirmation, absence of security headers, and no visible privacy or cookie policies. The WHOIS data is unavailable, which reduces domain trustworthiness but the website content appears legitimate for a small regional business. Overall, the site provides essential business information but lacks comprehensive security and privacy compliance features.
Detected Technologies
15 urgent findings need attention
1 critical · 14 high
- + 7 more findings in the full report below
Keep donfelder.cz under constant watch
Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.
Security drift alerts
Risk score drops, new high-severity issues, and header hardening gaps
Compliance watch
GDPR / NIS2 posture changes with governance evidence snapshots
Infrastructure surface
Unexpected open services, SSL expiry, DNS & email authentication changes
Content & tracker intelligence
Marketing tech shifts, analytics drift, and AI recommendation updates
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Security Headers
8 findings
15/100
GDPR Compliance
4 findings
25/100
NIS2 Compliance
8 findings
17/100
Email Security
2 findings
65/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The company operates in the hospitality and retail sectors with a niche focus on diving activities and accommodation in Croatia. Its business model combines service offerings (diving courses and lodging) with retail (equipment and guide books). The website links to partner and related domains that support its core services. The absence of detailed company registration or VAT information limits deeper business intelligence. The market position is regional and specialized, targeting tourists and diving enthusiasts. Growth potential may depend on expanding digital presence and improving trust signals. Partnerships with related diving schools enhance service offerings.
Security Posture Analysis
Comprehensive Security Assessment
The website currently exhibits a low security maturity level. The lack of HTTPS or confirmation thereof, missing security headers, and absence of privacy and cookie policies indicate significant compliance gaps, especially under GDPR. No incident response or vulnerability disclosure information is provided. The site does not appear to collect user data via forms, reducing immediate risk but also limiting user engagement. The missing WHOIS data is a concern for domain legitimacy. Overall, the security posture is weak and requires urgent improvements to protect user data and enhance trust.
Strategic Recommendations
Priority Actions for Security Improvement
Implement HTTPS across the entire website to secure data transmission.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
EWE s.r.o.
Don Felder potápěčské centrum a obchod, penzion v Chorvatsku, kniha potápěčský průvodce
basic
moderate
Technical Stack
moderate
basic
basic
basic
Security Assessment
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is accessible and not blocked by WAF or security mechanisms
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Strict-Transport-Security header
HIGHForces HTTPS connections
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Missing Referrer-Policy header
LOWControls referrer information sent with requests
Missing Permissions-Policy header
MEDIUMControls browser features and APIs
Sensitive data may be cached
LOWCache-Control header should include "no-store" for sensitive pages
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Privacy Policy found
HIGHGDPR requires a clear and accessible privacy policy
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
EU business without adequate privacy measures
CRITICALEU businesses are subject to strict GDPR requirements
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans
No business continuity planning found
MEDIUMNIS2 emphasizes operational resilience and business continuity
No security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No DMARC record found
HIGHDMARC provides email authentication and reporting
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
DMARC Details
MTA-STS Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Weak Protocols Supported
HIGHServer supports weak protocols: TLSv1.1
OCSP Stapling Not Enabled
LOWOCSP stapling improves performance and privacy
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 43 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
Mixed Content Detected
MEDIUM6 resources loaded over insecure HTTP
Partial SSL/TLS Assessment
LOWCompleted 3 of 4 security checks due to time constraints
Protocol Support
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
Domain Registration Details
DNS Records
DNSSEC Status
DNS Performance
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
High-Risk Service Exposed: FTP
HIGHPort 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
How does donfelder.cz compare?
donfelder.cz scores below average. Browse similar domains to see how competitors handle security.
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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Marketing Intelligence
Contact emails, phone numbers & warm leads
Plan Comparison
| Feature | PDF Report | Marketing+ |
|---|---|---|
| Full security analysis | ||
| Professional PDF export | ||
| Email delivery | ||
| Lifetime access + unlock code | ||
| Contact emails & phones | — | |
| Marketing outreach data | — |
Already purchased?
Order summary
Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.
Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.
SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
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