Is lustilek.cz Safe? Security Analysis for Nejlepší křížovkářský slovník online | Lustilek.cz
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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
Lustilek.cz is a Czech language online crossword dictionary offering a comprehensive collection of over 150,000 hints and words for crossword puzzles, scrabble, and other word games. The website targets Czech-speaking puzzle enthusiasts and provides free access to its resources, monetized primarily through Google Adsense advertising. The site is relatively new, established in 2021, and positions itself as a niche resource within the Czech puzzle community. Technically, the website uses standard web technologies including HTML5, CSS3, and JavaScript, with integrations of Google Analytics and Adsense for tracking and monetization. The site is hosted likely by Wedos, a Czech hosting provider, consistent with the domain registration data. Security posture is adequate with HTTPS enabled and secure form inputs, but lacks advanced security headers and formal privacy or terms of service documentation. Cookie consent is implemented, indicating some level of privacy compliance. Overall, the website is functional, well-structured, and provides relevant content for its audience.
Detected Technologies
15 urgent findings need attention
1 critical · 14 high
- + 7 more findings in the full report below
Keep lustilek.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
5 findings
10/100
NIS2 Compliance
9 findings
2/100
Email Security
5 findings
32/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The website operates as a free online crossword dictionary serving a niche market of Czech language puzzle solvers. Its business model relies on advertising revenue, with no evident e-commerce or subscription services. The site offers search functionality, alphabetical word lists, and categorized hints, catering to both casual and expert users. The presence of a Slovak partner site suggests a regional partnership strategy. The lack of detailed company information and physical contact details indicates a small-scale operation, likely run by individuals or a small team. Growth potential exists through content expansion and the planned addition of interactive crossword puzzles. The partnership with krížovkársky slovník slovensky indicates cross-border collaboration within the puzzle niche.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a basic security posture with HTTPS enabled, ensuring encrypted communications. However, it lacks important security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options, which could mitigate common web vulnerabilities. No sensitive data exposure or vulnerable libraries were detected. The site uses secure form inputs but does not provide a security policy or incident response contact channels, limiting transparency in security management. Cookie consent is implemented, supporting GDPR compliance to some extent. Overall, the security maturity is moderate but could be improved by adopting additional security best practices and formalizing security policies.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive privacy policy and terms of service pages to improve legal compliance and user trust.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Online crossword dictionary providing over 150,000 hints and words for crossword puzzles, scrabble, and word games. Free and regularly updated resource for Czech language crossword enthusiasts.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enabled
- No exposed sensitive data
- Secure form inputs
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a Czech language crossword dictionary with extensive content.
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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
Third-party services without privacy policy
HIGHDetected services: Google Analytics, Google APIs, Google Ads
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
Critical sector without clear security compliance
HIGHDetected sectors: energy, transport, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No SPF record found
HIGHSPF helps prevent email spoofing
No DMARC record found
HIGHDMARC provides email authentication and reporting
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 69 days
Partial SSL/TLS Assessment
LOWCompleted 2 of 4 security checks due to time constraints
Certificate Details
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
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does lustilek.cz compare?
See how lustilek.cz stacks up against similar websites in the same industry.
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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PDF Report & Export
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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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