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

AI Summary
The website www.chemtk.cz serves as an integrated portal for the National Technical Library (NTK), University of Chemistry and Technology Prague (VŠCHT), and the Institute of Organic Chemistry and Biochemistry (ÚOCHB). It provides comprehensive access to chemical databases, e-books, journals, and research support services targeted primarily at academic researchers, students, and professionals in chemistry and related fields. The platform is positioned as a key national academic resource in the Czech Republic, operating under a non-profit model with strong institutional affiliations. Technically, the site employs modern web technologies including HTML5, CSS3, JavaScript with jQuery, Bootstrap framework, and Matomo analytics for user tracking. The site is mobile-optimized with good navigation and accessibility features, though some improvements in accessibility and cookie consent mechanisms are recommended. Performance is moderate with a professional design and consistent branding. From a security perspective, the site enforces HTTPS and uses secure forms but lacks explicit security headers and published security policies. No vulnerabilities or exposed sensitive data were detected. The absence of WHOIS data limits domain trust assessment, but the institutional nature and content quality support legitimacy. Privacy compliance is partial, with a privacy policy present but no cookie consent banner. Overall, the site is a well-maintained academic resource with a good security posture and professional presentation. Strategic recommendations include enhancing security headers, implementing cookie consent for GDPR compliance, publishing security and incident response policies, and verifying domain registration details to improve trust and compliance.
Detected Technologies
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The website operates as a collaborative academic library portal integrating resources from three major Czech institutions. Its market positioning is strong within the national academic and research community, offering specialized chemical and citation databases alongside e-books and journals. The business model is non-profit, focusing on providing access and support rather than commercial revenue. Target customers include university students, researchers, and academic staff in chemistry and technical disciplines. The partnership ecosystem includes NTK, VŠCHT, and ÚOCHB, which enhances resource sharing and service quality. Growth indicators include regular updates, webinars, and integration of new digital tools. The platform's competitive advantage lies in its integrated access to multiple institutional collections and specialized chemical information services.
Extracted Contact Information
Marketing Intelligence Data
Email Addresses (5)
Phone Numbers (3)
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate to good security maturity level. HTTPS is enforced site-wide, and no sensitive data is exposed in the HTML content. However, the absence of key security headers such as Content-Security-Policy and X-Frame-Options represents a gap that could be exploited in certain attack scenarios. There is no publicly available security or incident response policy, which limits transparency and preparedness communication. The use of Matomo analytics indicates some level of user tracking, but no cookie consent mechanism was found, which may pose GDPR compliance risks. No known vulnerabilities or outdated libraries were detected. Overall, the security posture is adequate for an academic portal but could be improved with enhanced headers, explicit policies, and privacy controls.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to mitigate common web attacks.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Národní technická knihovna
Integrated library system combining resources of the National Technical Library (NTK), University of Chemistry and Technology Prague (VŠCHT), and the Institute of Organic Chemistry and Biochemistry (ÚOCHB). Provides access to chemical databases, e-resources, books, journals, and research support.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- No exposed sensitive data in HTML
- Use of secure forms with POST method
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content and navigation.
🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Weak Strict-Transport-Security configuration
LOWCurrent value: "max-age=15768000"
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
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
📧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
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 34 days
Mixed Content Detected
MEDIUM8 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