Is dnnt.cz Safe? Security Analysis for Národní knihovna České republiky
Check if dnnt.cz is a scam or legitimate. Free security scan and reviews.

AI Summary
The website dnnt.cz is an official digital platform operated by the National Library of the Czech Republic, providing access to literary works that are unavailable on the market. It serves readers, authors, and libraries by facilitating remote access to these works through partnerships with various Czech libraries. The platform is positioned as a government-supported non-profit service focused on education and cultural preservation. Technically, the site is built on WordPress 5.8.10, utilizing common web technologies such as jQuery, Bootstrap, and Font Awesome. It employs Google Analytics for visitor tracking and implements a cookie consent mechanism compliant with GDPR. The site is hosted likely by Active24, the domain registrar, and uses HTTPS with a strong SSL configuration. The design is professional and mobile-optimized, with good navigation and content relevance. From a security perspective, the website demonstrates good practices including HTTPS enforcement and cookie consent. However, it lacks explicit security headers and a public security policy or incident response information. No vulnerabilities or exposed sensitive data were detected. The absence of a vulnerability disclosure policy or security.txt file suggests room for improvement in transparency and security maturity. Overall, dnnt.cz is a trustworthy and well-maintained digital library platform with a strong focus on accessibility and compliance. Strategic recommendations include enhancing security headers, publishing security policies, and improving accessibility features to further strengthen its security posture and user trust.
Detected Technologies
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Dnnt.cz operates as a specialized digital library service under the National Library of the Czech Republic, targeting readers, authors, and libraries interested in accessing works unavailable on the market. Its business model is non-profit and government-backed, focusing on cultural preservation and education. The platform leverages partnerships with multiple regional libraries to provide remote access services, positioning itself as a central hub for unavailable literary content in the Czech Republic. The use of official branding and integration with national digital library registries enhances its credibility. Growth indicators include ongoing updates and integration with partner libraries. The absence of commercial advertising and affiliate programs aligns with its non-profit status. Strategic partnerships with regional libraries form a robust ecosystem supporting its mission.
Security Posture Analysis
Comprehensive Security Assessment
The security posture of dnnt.cz is solid but not comprehensive. The site uses HTTPS with a valid SSL certificate, ensuring encrypted communications. Cookie consent is implemented with granular controls, supporting GDPR compliance. However, the lack of security headers such as Content-Security-Policy and X-Frame-Options reduces protection against certain web attacks. No public security policy or incident response contacts are provided, limiting transparency and preparedness communication. No vulnerabilities or exposed sensitive data were found in the HTML content. The use of third-party scripts like Google Analytics is standard but requires ongoing monitoring for security. Overall, the site is secure for its purpose but would benefit from enhanced security policies and headers to improve resilience and trust.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Národní knihovna České republiky
The website provides access to works unavailable on the market through digital libraries and remote access via various Czech libraries. It is a project by the National Library of the Czech Republic focused on digital access to unavailable works.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- Cookie consent mechanism implemented
- No exposed sensitive data in HTML
- Use of deferred loading for scripts
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenges.
🛡️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 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
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
📧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
Weak Protocols Supported
HIGHServer supports weak protocols: TLSv1.1
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
Mixed Content Detected
MEDIUM1 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
⚡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
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings