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Security report for joindns4.eu

Whalebone, s.r.o. · Government · Czech Republic

High risk. 17 critical or high findings in GDPR outside view, Network security and 2 other checks.

Security score

49/100

Risk levelHigh

0–100, higher is better. How it is calculated

DNS4EU is an EU-backed initiative operated by Whalebone, s.r.o., focused on providing secure, privacy-compliant DNS services to strengthen digital sovereignty across Europe. The project targets governments, critical infrastructure, telcos, and the general public, emphasizing privacy, compliance with EU regulations such as GDPR, and enhanced cybersecurity through regional threat intelligence sharing. The website reflects a professional and consistent brand aligned with EU digital sovereignty goals. Technically, the website is built on the HubSpot CMS platform, leveraging modern web technologies and integrated with Google Analytics 4 and Google Tag Manager for analytics and marketing. The site is mobile-optimized, accessible, and performs moderately well. Security best practices are observed with HTTPS enforcement and privacy consent mechanisms, although some security headers could be improved. The security posture is strong with no visible vulnerabilities or exposed sensitive data. However, the absence of a published security policy or incident response contacts is a minor gap. WHOIS data is unavailable due to privacy protection, but the domain's legitimacy is supported by the professional website, EU co-funding, and clear company information. Overall, DNS4EU presents a trustworthy and professional digital presence with strong alignment to EU cybersecurity and privacy standards, suitable for its target audience and mission.

Scanned

NIS2 and GDPR posture

GDPR outside view
55/ 100 · Medium
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

17 findings rated critical or high. Fix these first.

  1. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • Critical

      EU business without adequate privacy measures

      EU businesses are subject to strict GDPR requirements

      What to do: Implement comprehensive GDPR compliance including privacy policy, cookie consent, and data protection measures

  2. Network security

    Services reachable from the internet are the first thing attackers probe. Anything open that does not need to be should be closed.

    • Critical

      Critical Service Exposed: Telnet

      Port 23 (Telnet) is publicly accessible - Telnet - Unencrypted remote access

      What to do: Immediately restrict access to Telnet using firewall or VPN

      • NIS2 21(2)(e)
      • IR 2024/2690 6.7.2(f): Implementing Regulation (EU) 2024/2690, Annex point 6.7.2(f): Network security
      • NIST CM-7: NIST SP 800-53 Rev. 5 CM-7: Least Functionality
      • NIST SC-7: NIST SP 800-53 Rev. 5 SC-7: Boundary Protection
    • Critical

      Critical Service Exposed: SMB

      Port 445 (SMB) is publicly accessible - SMB - Windows file sharing, high risk

      What to do: Immediately restrict access to SMB using firewall or VPN

      • NIS2 21(2)(e)
      • IR 2024/2690 6.7.2(f): Implementing Regulation (EU) 2024/2690, Annex point 6.7.2(f): Network security
      • NIST CM-7: NIST SP 800-53 Rev. 5 CM-7: Least Functionality
      • NIST SC-7: NIST SP 800-53 Rev. 5 SC-7: Boundary Protection
    • Critical

      Critical Service Exposed: MSSQL

      Port 1433 (MSSQL) is publicly accessible - MSSQL - Database server

      What to do: Immediately restrict access to MSSQL using firewall or VPN

      • NIS2 21(2)(e)
      • IR 2024/2690 6.7.2(f): Implementing Regulation (EU) 2024/2690, Annex point 6.7.2(f): Network security
      • NIST CM-7: NIST SP 800-53 Rev. 5 CM-7: Least Functionality
      • NIST SC-7: NIST SP 800-53 Rev. 5 SC-7: Boundary Protection
    • Critical

      Critical Service Exposed: Oracle

      Port 1521 (Oracle) is publicly accessible - Oracle - Database server

      What to do: Immediately restrict access to Oracle using firewall or VPN

      • NIS2 21(2)(e)
      • IR 2024/2690 6.7.2(f): Implementing Regulation (EU) 2024/2690, Annex point 6.7.2(f): Network security
      • NIST CM-7: NIST SP 800-53 Rev. 5 CM-7: Least Functionality
      • NIST SC-7: NIST SP 800-53 Rev. 5 SC-7: Boundary Protection

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  • Security score drift

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Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
75
Security headers
45
Email security
70
DNS health
85
Network security
0
GDPR outside view
55
Average
55
After the cap
49

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet · found on this site
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

DNS4EU operates as a consortium project co-funded by the European Union, positioning itself as a key player in the EU's digital sovereignty and cybersecurity landscape. Its competitive advantage lies in providing a secure, privacy-focused DNS infrastructure that complies with EU regulations and offers regional threat intelligence sharing. The business model is service-oriented, targeting governments, telcos, CERTs, and the public sector, with revenue likely derived from partnerships and service agreements. The project demonstrates growth potential through stakeholder engagement and public awareness campaigns. Its partnership ecosystem includes cybersecurity experts and EU institutions, enhancing credibility and reach.

Security posture

The website demonstrates a mature security posture with HTTPS enforced, secure form handling with explicit privacy consent, and no exposed sensitive information. The use of Google Consent Mode indicates attention to privacy compliance. However, the lack of explicit security policies, incident response contacts, and a security.txt file suggests room for improvement in transparency and readiness. No vulnerabilities or outdated libraries were detected in the HTML content. Compliance with GDPR is evident, but additional certifications or frameworks like ISO 27001 or NIST are not disclosed. Overall, the security culture appears strong but could benefit from enhanced documentation and incident response visibility.

Recommendations

  1. Implement and publish security headers such as Content-Security-Policy, X-Frame-Options, and X-XSS-Protection to enhance browser security.
  2. Create and publish a security.txt file to facilitate vulnerability disclosure and improve transparency.
  3. Provide explicit incident response contact information, including dedicated security or abuse email addresses.
  4. Consider obtaining and displaying recognized security certifications (e.g., ISO 27001) to strengthen trust.
  5. Enhance privacy compliance disclosures with detailed data retention policies and user rights information.

Contact details published on the site

Addresses
Legal name
Whalebone, s.r.o.
VAT number
CZ05120403
Registration number
05120403
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Whalebone, s.r.o.
Description
DNS4EU is an EU initiative providing secure, private, and reliable DNS services to strengthen digital sovereignty and security for EU citizens, governments, and critical infrastructure.
Key services
Secure DNS resolution, Privacy-compliant DNS services, Regional threat intelligence sharing, Collaboration with governments, telcos, and security teams
Content quality
excellent
Branding
consistent

Technology

Stack
HubSpot CMS, Google Analytics 4, Google Tag Manager, JavaScript, CSS, SVG graphics
Frameworks
HubSpot CMS framework
Platforms
HubSpot
Performance
moderate
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Secure forms with privacy consent
  • Use of Google Consent Mode for privacy

Analytics and tracking

Services
Google Analytics 4, HubSpot Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
HubSpot Ads
Tracking pixels
Facebook Pixel, Google Analytics 4
Marketing tools
HubSpot Forms
Transparency
good

Site quality

Design
excellent
User experience
excellent
Content relevance
excellent
Navigation
excellent
Professionalism
excellent
Trustworthiness
high

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Content is focused on EU digital sovereignty and secure DNS services.
  3. Strong emphasis on privacy and compliance with GDPR.
  4. Multiple forms collect user data with explicit privacy consent.
  5. No exposed sensitive data or security vulnerabilities detected in HTML.
  6. WHOIS data is unavailable publicly, likely due to privacy protection by EURid.
  7. Social media presence on LinkedIn, YouTube, Twitter (X), and Facebook.
  8. Use of HubSpot CMS and marketing/analytics tools is evident.
  9. No explicit terms of service page found.
  10. No explicit security policy or incident response contacts published.
Technical notes

Notes

The website is built on the HubSpot CMS platform, utilizing modern JavaScript libraries and SVG graphics for a responsive and visually appealing design. Integration with Google Analytics 4 and Google Tag Manager supports advanced analytics and marketing capabilities. Performance is moderate, with good mobile optimization and accessibility features. The technical infrastructure appears well-maintained with no visible technical debt or deprecated technologies. Hosting is likely managed by HubSpot, providing reliable uptime and security. Opportunities exist to improve security headers and implement a security.txt file to align with best practices.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

Earlier scans of this domain

  1. 49/100High41 findingsView report
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