Is nic.cz Safe? Security Analysis for CZ.NIC, z. s. p. 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
CZ.NIC, z. s. p. o. operates as the official registry for .cz domain names, providing domain registration, DNSSEC security, and internet infrastructure services primarily for the Czech Republic. The website reflects a mature and authoritative presence in the national internet ecosystem, featuring multiple related projects and services such as domain auctions, identity verification (MojeID), and IPv6 connectivity testing. The business model centers on registry operations and supporting Czech internet users and registrars. Technically, the site employs a modern technology stack including Django backend, jQuery, and specialized widgets for user interaction and IPv6 testing. The site is mobile optimized, accessible, and SEO friendly, with a moderate performance profile. Analytics are handled via Piwik/Matomo with privacy-conscious configurations. Cookie consent and privacy policies are implemented, reflecting good digital maturity. Security posture is solid with HTTPS usage, CSRF protection, and cookie consent mechanisms. However, explicit security headers and published security policies or incident response contacts are absent, representing areas for improvement. No vulnerabilities or suspicious content were detected. WHOIS data is unavailable, likely due to privacy or registry policies, but the site’s legitimacy is supported by its authoritative branding and ecosystem. Overall, CZ.NIC’s website is professional, trustworthy, and well-aligned with its role as a national domain registry. Strategic recommendations include enhancing security header implementation, publishing security policies, and adding vulnerability disclosure mechanisms to further strengthen trust and compliance.
Detected Technologies
11 urgent findings need attention
1 critical · 10 high
- + 3 more findings in the full report below
Keep nic.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
4 findings
70/100
GDPR Compliance
5 findings
10/100
NIS2 Compliance
9 findings
2/100
Email Security
3 findings
85/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
CZ.NIC holds a dominant position as the Czech Republic's official domain registry, serving a critical infrastructure role in internet governance and domain management. Its competitive advantage lies in its authoritative status, comprehensive service offerings including DNSSEC and IPv6 support, and integration with multiple related projects and services. The business model is primarily registry-based, with revenue likely from domain registrations, auctions, and related services. The target customers include domain registrants, registrars, and internet users in the Czech Republic. Growth indicators include active promotion of new router hardware and ongoing projects. The partnership ecosystem is broad, linking identity services, security teams (CSIRT), and technical projects, reinforcing its central role in the Czech internet landscape.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a mature security posture with HTTPS enforcement, CSRF token usage, and cookie consent mechanisms. However, the absence of explicit HTTP security headers (CSP, HSTS, X-Frame-Options) and lack of published security policies or incident response contacts indicate room for improvement. No exposed sensitive data or vulnerable libraries were detected. The site does not publish a security.txt file or vulnerability disclosure program, which could enhance transparency and incident response readiness. Overall, the security maturity is good but could be elevated by adopting best practices in security headers and public security documentation.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive HTTP security headers including Content Security Policy, HSTS, X-Frame-Options, and X-Content-Type-Options.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
CZ.NIC, z. s. p. o.
CZ domain registry.
good
consistent
Technical Stack
moderate
good
good
good
Security Assessment
- Use of HTTPS (implied by script URLs with https)
- CSRF token in forms
- Cookie consent mechanism implemented
- No exposed sensitive data in HTML
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-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Weak Referrer-Policy configuration
LOWCurrent value: "same-origin"
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: Facebook, Twitter, 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
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 44 days
Weak SSL Key Length
HIGHSSL certificate uses 384-bit key, which is considered weak
Mixed Content Detected
MEDIUM26 resources loaded over insecure HTTP
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 Transfer Lock Not Enabled
MEDIUMDomain can be transferred without authorization
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
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 nic.cz compare?
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🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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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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