Is zslezaku.cz Safe? Security Analysis for Základní škola Hlinsko, Ležáků 1449
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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
Základní škola Hlinsko, Ležáků 1449 is a well-established primary educational institution in the Czech Republic, providing comprehensive education including practical and special education classes. The website serves as an information portal for students, parents, and the local community, offering news, event calendars, and access to school resources. The school emphasizes extended foreign language teaching and personal development of students. Technically, the website uses a modern tech stack including Bootstrap and jQuery, with a custom CMS likely in use. The site is mobile-optimized and presents a professional design with clear navigation. Security posture is moderate; while no critical vulnerabilities or exposed sensitive data are detected, the site lacks visible security headers and cookie consent mechanisms. WHOIS data confirms the domain's legitimacy and long-term registration consistent with the school's history. Overall, the website is trustworthy and functional but could improve in security and privacy compliance aspects.
Detected Technologies
15 urgent findings need attention
3 critical · 12 high
- + 7 more findings in the full report below
Keep zslezaku.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
7 findings
30/100
GDPR Compliance
5 findings
10/100
NIS2 Compliance
9 findings
2/100
Email Security
5 findings
60/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The school operates as a public educational entity targeting local families and students in Hlinsko, Czech Republic. Its market position is that of a key local primary education provider with a medium-sized operation. The business model is non-commercial, focused on education services including special needs and preparatory classes. Partnerships with local organizations and educational initiatives such as Ovoce do škol and Recyklohraní enhance its community engagement. The website supports communication and transparency with stakeholders but lacks advanced marketing or analytics tools, reflecting its public service nature. Growth indicators include active news updates and event calendars. The partnership ecosystem is local and education-focused, with no commercial subsidiaries.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (2)
Company Registration
Základní škola Hlinsko
70913501
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a basic to moderate security maturity level. HTTPS usage is assumed but not explicitly confirmed in the provided data. No security headers such as Content Security Policy or HSTS are detected, which are recommended to enhance protection against common web attacks. No forms with sensitive data collection are visible, reducing immediate risk exposure. The presence of a GDPR-related page and whistleblowing contact indicates awareness of compliance and incident response, though no explicit security contact emails are found. The absence of cookie consent mechanisms and vulnerability disclosure policies suggests room for improvement in privacy and security governance. Overall, the site is low risk but would benefit from implementing standard security best practices and formal vulnerability disclosure processes.
Strategic Recommendations
Priority Actions for Security Improvement
Implement HTTPS with strong TLS configuration and verify SSL certificate validity.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Základní škola Hlinsko, Ležáků 1449
Základní škola Hlinsko Ležáků 1449 sdružuje základní školu, základní školu praktickou a speciální a školní družinu. Škola nabízí rozšířenou výuku cizích jazyků. Škola se současně zaměřuje na rozvoj osobnosti žáka, podporu individuálních zájmů a nadání.
good
consistent
Technical Stack
moderate
good
basic
basic
Security Assessment
- No exposed sensitive data in HTML
- No visible vulnerable libraries
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a Czech primary school site with comprehensive information for students and parents.
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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 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: Facebook, Cloudflare, Google APIs
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: 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 DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
No BIMI Record
LOWBIMI displays brand logos in email clients
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues
No email authentication configured
CRITICALDomain is vulnerable to email spoofing
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Mixed Content Detected
MEDIUM1 resources loaded over insecure HTTP
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
No DMARC Record
MEDIUMDMARC policy not configured
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
Critical Service Exposed: MySQL
CRITICALPort 3306 (MySQL) is publicly accessible - MySQL - Database server
How does zslezaku.cz compare?
zslezaku.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
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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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