Is dnssec.cz Safe? Security Analysis for CZ.NIC, z. s. p. o.
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Below Technology avg (72)
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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 www.dnssec.cz is operated by CZ.NIC, the official Czech domain registry association responsible for managing the .CZ top-level domain and promoting DNS security technologies such as DNSSEC. The site provides educational content about DNSSEC, tools to test DNSSEC protection on user connections and domains, and contact information for support. It targets Czech internet users, domain owners, and ISPs, positioning itself as an authoritative source on DNS security in the Czech Republic. Technically, the site uses a straightforward technology stack including jQuery and custom JavaScript, with CSS for styling. The site is accessible, uses HTTPS, and embeds multimedia content such as YouTube videos. However, it lacks advanced security headers and comprehensive privacy or cookie policies. Mobile optimization and accessibility are basic but functional. From a security perspective, the site demonstrates good practices by using HTTPS and avoiding exposed sensitive data. However, the absence of security headers and incident response information limits its security maturity. The missing WHOIS data for the domain reduces transparency and trustworthiness from a registration standpoint, although the CZ.NIC branding and contact details support legitimacy. Overall, the site is a reliable educational resource on DNSSEC with moderate technical sophistication and a good business credibility profile. Improvements in privacy compliance, security headers, and WHOIS transparency would enhance trust and security posture.
Detected Technologies
12 urgent findings need attention
2 critical · 10 high
- + 4 more findings in the full report below
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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
5 findings
60/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
CZ.NIC operates as a non-profit essential entity in the technology sector, specifically managing the Czech Republic's .CZ domain registry and promoting DNS security. Its business model focuses on providing registry services, internet infrastructure stability, and educational outreach on DNSSEC technology. The organization holds a strong market position as the authoritative domain registry in the Czech Republic, serving ISPs, domain owners, and internet users. Revenue streams likely include domain registration fees and related services. The website reflects a mature partnership ecosystem with links to official CZ.NIC resources and no commercial advertising. Growth indicators include active promotion of DNSSEC adoption and user tools. The organization's operations emphasize trust, transparency, and internet security.
Security Posture Analysis
Comprehensive Security Assessment
The website's security posture is moderate. It uses HTTPS, which is mandatory for secure communications, and avoids exposing sensitive data. However, it lacks important security headers such as Content Security Policy, HSTS, and X-Frame-Options, which are recommended to mitigate common web attacks. No vulnerability disclosure or incident response information is provided, limiting transparency and readiness for security incidents. The absence of privacy and cookie policies also indicates gaps in compliance with data protection regulations such as GDPR. No known vulnerabilities or malicious content were detected. Overall, the site is secure for informational purposes but would benefit from enhanced security controls and compliance documentation.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive privacy and cookie policies to improve GDPR compliance and user trust.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
CZ.NIC, z. s. p. o.
The website educates about DNSSEC technology, its importance for securing DNS queries, and offers tools to test DNSSEC protection for internet connections and .CZ domains. It is managed by CZ.NIC, the association responsible for the .CZ domain registry and DNS infrastructure.
good
consistent
Technical Stack
moderate
basic
basic
basic
Security Assessment
- Use of HTTPS (implied by URL https://)
- No visible exposed sensitive data
- No vulnerable libraries detected in provided scripts
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content about DNSSEC technology.
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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: YouTube
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 DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
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
No email authentication configured
CRITICALDomain is vulnerable to email spoofing
🏆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 64 days
Weak SSL Key Length
HIGHSSL certificate uses 384-bit key, which is considered weak
Mixed Content Detected
MEDIUM1 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
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
No DMARC Record
MEDIUMDMARC policy not configured
Domain Registration Details
DNS Records
DNSSEC Status
DNS Performance
⚡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 dnssec.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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