Is zdn.cz Safe? Security Analysis for Internet Info, s.r.o.
https://zdn.czCheck if zdn.cz is a scam or legitimate. Free security scan and reviews.
Below Healthcare avg (65)
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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
The website zdravi.euro.cz is a Czech-language specialized media portal focused on healthcare and medical topics. It serves healthcare professionals, doctors, and the general public by providing expert articles and news related to medicine. The site is part of the Internet Info, s.r.o. group, a known media company in the Czech Republic. The business model revolves around content publishing and advertising revenue. Technically, the site employs modern web technologies including Google Analytics, Google Tag Manager, Gemius analytics, and header bidding via Prebid.js. It uses HTTPS and has implemented a cookie consent mechanism compliant with GDPR principles, though no explicit privacy policy page was found in the provided content. Security posture is moderate with HTTPS and error monitoring via Sentry, but lacks visible security headers and published security policies. WHOIS data is not publicly available, indicating privacy protection, which is common but reduces transparency. Overall, the site is professionally designed, mobile-optimized, and trustworthy for its target audience.
Detected Technologies
11 urgent findings need attention
1 critical · 10 high
- + 3 more findings in the full report below
Keep zdn.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
5 findings
60/100
GDPR Compliance
5 findings
10/100
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 portal positions itself as a key information source in the healthcare media sector in the Czech Republic. Its competitive advantage lies in specialized content tailored for healthcare workers and the public. Revenue streams likely include advertising and sponsored content. The target customers are healthcare professionals and interested laypersons. The site integrates with multiple advertising and analytics partners such as Google and Seznam.cz, indicating a mature partnership ecosystem. Growth indicators include the use of advanced ad technologies and consent management. Strategic observations suggest the site maintains a professional media presence but could improve transparency by publishing privacy and security policies.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate security maturity level. HTTPS is enforced, and error monitoring is implemented via Sentry, which helps in proactive issue detection. However, the absence of visible security headers such as Content Security Policy, HSTS, and X-Frame-Options is a gap. No security.txt or vulnerability disclosure information was found, limiting external security communication. The cookie consent mechanism indicates GDPR awareness but lacks a linked privacy policy page in the analyzed content. No exposed sensitive data or vulnerable libraries were detected. Incident response readiness and security culture indicators are not publicly visible. Overall, the site is secure for general use but could enhance its security posture by adopting best practices and transparency.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a comprehensive privacy policy page linked prominently on the site.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Internet Info, s.r.o.
Odborné webové stránky týdeníku Zdravotnictví a medicína. Tento server je určen všem pracovníkům ve zdravotnictví, lékařům i široké veřejnosti.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- Consent management implemented
- Error monitoring with Sentry
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
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Weak Referrer-Policy configuration
LOWCurrent value: "no-referrer-when-downgrade"
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 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
Third-party services without privacy policy
HIGHDetected services: Google Analytics, Google APIs, Google Ads
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
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 88 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
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
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
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 zdn.cz compare?
See how zdn.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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Community rating
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