Is zlatestranky.cz Safe? Security Analysis for MEDIATEL CZ, s.r.o.
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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
Zlatestranky.cz is a well-established Czech online business directory operated by MEDIATEL CZ, s.r.o. The platform provides comprehensive company profiles, categorized listings, and contact information for over 823,000 businesses. It targets both consumers and businesses seeking reliable contact data and service information within the Czech Republic. The business model relies on free listings supplemented by paid enhanced profiles and digital marketing services. The website demonstrates consistent branding and professional content presentation, supporting its market position as a leading directory in the region. Technically, the website employs modern web technologies including Bootstrap for responsive design, Google Analytics and Tag Manager for tracking, and a consent management platform to comply with privacy regulations. The site is mobile-optimized with good SEO practices and moderate performance. However, some accessibility features could be improved to enhance usability. From a security perspective, the site enforces HTTPS and includes cookie consent mechanisms, but lacks explicit security headers and published security policies. No vulnerabilities or exposed sensitive data were detected in the HTML content. The absence of WHOIS data limits domain registration trust analysis, but the website's professional appearance and operational indicators suggest legitimacy. Overall, Zlatestranky.cz presents a trustworthy and functional online directory service with room for improvement in security policy transparency and technical enhancements. Strategic recommendations include implementing security headers, publishing incident response contacts, and enhancing accessibility compliance to strengthen security posture and user trust.
Detected Technologies
12 urgent findings need attention
1 critical · 11 high
- + 4 more findings in the full report below
Keep zlatestranky.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
25/100
GDPR Compliance
4 findings
25/100
NIS2 Compliance
9 findings
2/100
Email Security
4 findings
75/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Zlatestranky.cz operates in the online directory sector within the Czech Republic, serving a large user base with over 823,000 company contacts. Its competitive advantage lies in verified company badges, extensive categorized listings, and integration with digital marketing services offered by its operator MEDIATEL CZ, s.r.o. The platform's revenue streams likely include paid profile enhancements and advertising. Target customers include local businesses seeking visibility and consumers searching for reliable contact information. The partnership ecosystem includes CMP Mediatel for consent management and Mediatel.cz for broader marketing services. Growth indicators include a large database and active user account features. Strategic observations suggest focusing on security transparency and expanding accessibility to maintain market leadership.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate to good security maturity level with enforced HTTPS and cookie consent compliance. However, it lacks several security best practices such as security headers (CSP, HSTS, X-Frame-Options) and published security or incident response policies. No vulnerabilities or sensitive data exposures were found in the HTML content. Compliance with GDPR is indicated by cookie consent and privacy policy presence. Incident response readiness is not publicly documented, which could delay response to security events. The security culture appears basic but functional, with room for improvement in transparency and technical controls.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive HTTP security headers including Content-Security-Policy, Strict-Transport-Security, X-Content-Type-Options, and X-Frame-Options.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
MEDIATEL CZ, s.r.o.
Online business directory and telephone directory for Czech companies, providing profiles, contact details, and categorized listings.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- Cookie consent banner
- No exposed sensitive data in HTML
- Use of Google site verification
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenges.
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🛡️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
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, Facebook, Twitter, LinkedIn, 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, health, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
DMARC not enforcing
MEDIUMDMARC policy is set to "none"
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
DKIM Selectors Found
DMARC 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 83 days
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
Domain Transfer Lock Not Enabled
MEDIUMDomain can be transferred without authorization
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
DMARC Policy Set to None
LOWDMARC is configured but not enforcing any policy
Domain Registration Details
- •No domain protection locks enabled
DNS Records
DNSSEC Status
DNS Performance
SPF Analysis
⚡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 zlatestranky.cz compare?
See how zlatestranky.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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