Is master.cz Safe? Security Analysis for Master Internet, s.r.o.
https://master.czCheck if master.cz is a scam or legitimate. Free security scan and reviews.
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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
Master Internet, s.r.o., operating under the brand MasterDC, is a well-established Czech IT infrastructure specialist with over 20 years of experience. The company operates two data centers located in Brno and Prague and offers a broad portfolio of IT services including dedicated servers, cloud hosting, managed services, IT consulting, and cybersecurity solutions. Their target audience primarily consists of businesses seeking reliable and expert IT infrastructure support. The website reflects a mature digital presence with comprehensive service descriptions and professional branding. Technically, the website is built on a modern WordPress platform using Elementor and Yoast SEO, supported by performance optimization tools like WP Rocket. The site is mobile-optimized, accessible, and SEO-friendly, leveraging Google Analytics and Google Tag Manager for analytics and marketing. The infrastructure and technology stack indicate a high level of digital maturity suitable for their business domain. From a security perspective, the site enforces HTTPS and implements cookie consent mechanisms aligned with GDPR requirements. No critical vulnerabilities or exposed sensitive data were detected. However, the absence of certain HTTP security headers and a security.txt file suggests room for improvement in security best practices. The WHOIS data is unavailable, likely due to privacy protection, but the website's professional presentation and consistent contact information support its legitimacy. Overall, MasterDC presents a trustworthy and professional online presence with strong compliance and security posture. Strategic recommendations include enhancing HTTP security headers, publishing a vulnerability disclosure policy, and increasing visibility of incident response contacts to further strengthen their security and trustworthiness.
Detected Technologies
12 urgent findings need attention
1 critical · 11 high
- + 4 more findings in the full report below
Keep master.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
15/100
GDPR Compliance
4 findings
25/100
NIS2 Compliance
7 findings
15/100
Email Security
2 findings
95/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
MasterDC holds a strong market position in the Czech Republic as a specialist in corporate IT infrastructure and data center services. Their competitive advantage lies in operating their own data centers and offering a wide range of tailored IT solutions including cloud transformation, cybersecurity aligned with NIS2, and managed IT services. The business model focuses on B2B services with revenue streams from hosting, consulting, managed services, and outsourcing. The company targets medium to large enterprises requiring robust IT infrastructure. The website's detailed service portfolio and references indicate a mature partnership ecosystem and a focus on customer success. Growth indicators include active content updates, events, and career opportunities, suggesting ongoing expansion and investment in expertise.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a solid security posture with mandatory HTTPS and GDPR-compliant cookie consent. The use of reputable WordPress plugins and performance optimizers suggests regular maintenance. No exposed credentials or sensitive data were found. However, the lack of explicit security headers such as Content-Security-Policy and Strict-Transport-Security is a gap. There is no visible incident response or vulnerability disclosure information, which could hinder rapid response to security issues. Compliance with GDPR is evident, but additional certifications or security frameworks are not mentioned. Overall, the security maturity is good but could be enhanced by formalizing incident response and improving HTTP security headers.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive HTTP 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
Master Internet, s.r.o.
O firemní IT se staráme už přes 20 let. Provozujeme dvě datová centra – v Brně a Praze – a náš tým IT specialistů poskytuje širokou škálu služeb.
excellent
consistent
Technical Stack
fast
good
good
good
Security Assessment
- HTTPS enforced
- Cookie consent mechanism implemented
- No exposed sensitive data in HTML
- Use of security plugins (implied by WordPress ecosystem)
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenge
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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
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, LinkedIn
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 security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
Critical sector without clear security compliance
HIGHDetected sectors: energy, transport, banking, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No BIMI Record
LOWBIMI displays brand logos in email clients
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues
SPF Details
DKIM Selectors Found
DMARC Details
MTA-STS Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
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
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
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does master.cz compare?
See how master.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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