Is dtocz.cz Safe? Security Analysis for DTO CZ s.r.o.
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Below Education avg (55)

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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
DTO CZ s.r.o. is a Czech Republic-based educational and consulting company specializing in professional training, courses, seminars, retraining, qualification exams, and certifications. The company also operates an e-shop for standards and publications and offers rental services for halls and classrooms. With a history dating back to 2003 and a parent organization, the Czech Union of Scientific and Technical Societies, DTO CZ holds a solid market position serving thousands of clients annually. The website reflects a professional and consistent brand image targeting individuals and organizations seeking educational services within the Czech Republic. Technically, the website employs modern tracking and analytics tools such as Google Analytics (both Universal and GA4), Facebook Pixel, and Cookiebot for consent management. The site is mobile-optimized with good SEO practices and clear navigation. However, no CMS or hosting provider details are explicitly detected. Performance is moderate, and accessibility is basic but functional. From a security perspective, the site uses HTTPS and cookie consent mechanisms, but lacks visible security headers in the HTML source, which could be improved. No incident response or explicit security policy pages are found. The absence of WHOIS data reduces transparency and trustworthiness, although the website content and business information appear legitimate and consistent. Overall, DTO CZ s.r.o. presents a trustworthy and professional online presence with room for improvement in security header implementation and WHOIS transparency. Strategic recommendations include enhancing security headers, publishing incident response contacts, and regular third-party script audits to strengthen security posture and trust.
Detected Technologies
13 urgent findings need attention
1 critical · 12 high
- + 5 more findings in the full report below
Keep dtocz.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
20/100
GDPR Compliance
3 findings
40/100
NIS2 Compliance
9 findings
2/100
Email Security
4 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
DTO CZ s.r.o. operates in the education sector, focusing on professional development and certification services in the Czech Republic. The company leverages partnerships with recognized organizations and maintains a diversified service portfolio including conferences, courses, retraining, and e-commerce for standards. The business model is service-oriented with additional product sales. The presence of GDPR and cookie compliance indicates regulatory awareness. The company targets both individual learners and organizational clients, positioning itself as a medium-sized player with a long-standing market presence. The partnership ecosystem and clear contact information support credibility and client trust.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate security maturity level with HTTPS enforced and cookie consent implemented. However, the lack of security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security is a notable gap. No vulnerabilities or exposed sensitive data were detected in the HTML content. The absence of an incident response page or security contact reduces readiness for handling security incidents. Compliance with GDPR is evident through privacy policies and cookie management. Overall, the security posture is adequate but could be enhanced by implementing recommended headers and publishing security policies.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive security headers including Content-Security-Policy, X-Content-Type-Options, X-Frame-Options, and Strict-Transport-Security.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
DTO CZ s.r.o.
DTO CZ s.r.o. is an educational and consulting company offering courses, seminars, retraining, qualification exams, certifications, and sale of standards and publications. They also provide conference services and rental of halls and classrooms.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- Cookie consent mechanism
- No exposed sensitive data in HTML
- Secure forms with required fields
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content and navigation.
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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
👤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
EU business without adequate privacy measures
CRITICALEU businesses are subject to strict GDPR requirements
Third-party services without privacy policy
HIGHDetected services: Google Analytics, Facebook, YouTube
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
SPF 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 37 days
Mixed Content Detected
MEDIUM5 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
No DMARC Record
MEDIUMDMARC policy not configured
Domain Registration Details
DNS Records
DNSSEC Status
DNS Performance
SPF Analysis
⚡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 dtocz.cz compare?
dtocz.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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