Is ceskyinternet.cz Safe? Security Analysis for ČESKÝ INTERNET 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
ČESKÝ INTERNET s.r.o. is a well-established Czech company operating since 1999, specializing in providing internet content and advertising services primarily in the real estate, construction, and accommodation sectors. The company operates several high-traffic portals such as ČESKÉSTAVBY.cz, ČESKÉREALITY.cz, and ČESKÉUBYTOVÁNÍ.cz, attracting over a million monthly visitors. Their business model focuses on connecting users seeking real estate and housing information with advertisers and service providers, leveraging their extensive network and targeted marketing solutions. Technically, the website employs a modern technology stack including jQuery, Bootstrap, Google Analytics, Google Tag Manager, and Facebook SDK, complemented by a GDPR-compliant consent management system (AppConsent TCF2). The site is mobile-optimized with good SEO practices and structured data enhancing search visibility. Performance is moderate with room for improvement in accessibility and security headers. From a security perspective, the site enforces HTTPS and integrates GDPR consent mechanisms, but lacks visible security headers such as CSP or HSTS, which could enhance protection against common web threats. No forms or sensitive data exposure were detected, and no vulnerabilities were apparent in the provided content. However, the absence of WHOIS registration data reduces domain trustworthiness and should be investigated. Overall, the website presents a professional and trustworthy front with comprehensive business information and privacy compliance. Strategic improvements in security headers and domain registration transparency would further strengthen their security posture and business credibility.
Detected Technologies
10 urgent findings need attention
2 critical · 8 high
- + 2 more findings in the full report below
Keep ceskyinternet.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
1 finding
0/100
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
The company holds a strong market position in the Czech Republic's real estate and internet advertising sectors, leveraging multiple branded portals to capture diverse user segments interested in property, construction, and accommodation. Their competitive advantage lies in their long-standing presence since 1999, extensive visitor base, and targeted advertising solutions. Revenue streams likely include advertising sales, premium listings, and marketing services. The company maintains a professional partnership ecosystem with related domains and social media presence, supporting growth and brand recognition. Observations suggest a stable medium-sized enterprise with consistent branding and a focus on customer satisfaction.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Company Registration
ČESKÝ INTERNET s.r.o.
CZ26113571
Security Posture Analysis
Comprehensive Security Assessment
The current security maturity level is moderate. The website uses HTTPS and GDPR-compliant consent management, indicating awareness of privacy and security requirements. However, the lack of explicit security headers such as Content Security Policy, HSTS, and X-Frame-Options represents a gap that could expose the site to certain web-based attacks. No incident response or security policy information is publicly available, which may impact readiness for security events. The absence of WHOIS data is a concern for domain legitimacy and trust. Overall, the security posture is adequate for business operations but would benefit from enhancements in security controls and transparency.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive HTTP security headers including CSP, HSTS, X-Frame-Options, and X-XSS-Protection to mitigate common web vulnerabilities.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
ČESKÝ INTERNET s.r.o.
Český Internet s.r.o. patří k největším poskytovatelům internetového obsahu v České republice. Na stavebním a realitním serveru ČESKÉSTAVBY.cz a ČESKÉREALITY.cz hledá informace každý měsíc přes milion návštěvníků.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- GDPR consent management via AppConsent
- No exposed sensitive data in HTML
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content and structured data
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
👤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 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
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
Unable to retrieve SSL certificate
CRITICALCould not establish secure connection to retrieve certificate information
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
DMARC Policy Set to None
LOWDMARC is configured but not enforcing any policy
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 ceskyinternet.cz compare?
ceskyinternet.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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PDF Report & Export
PDF download, email delivery, unlock code
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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