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Security report for dpf-xtuning.cz

XTUNING s.r.o. · Transportation · Czech Republic

Medium risk. 7 critical or high findings in GDPR outside view, Security headers and 1 other check.

Security score

53/100

Risk levelMedium

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

XTUNING s.r.o. operates the website dpf-xtuning.cz, providing specialized cleaning services for diesel particulate filters (DPF) primarily targeting vehicle owners with diesel engines in the Czech Republic. The company positions itself as a niche service provider focusing on emission compliance and vehicle inspection readiness through professional DPF cleaning. The website is well-structured, with clear service descriptions and a professional design that supports user engagement and conversion via contact forms and ordering options. The business model revolves around service delivery with partnerships in related automotive performance sectors.

Scanned

NIS2 and GDPR posture

GDPR outside view
40/ 100 · High
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

7 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

    • High

      No Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

  2. Security headers

    Security headers are instructions your web server sends to every visitor’s browser. Missing ones leave visitors more exposed to attacks such as clickjacking and injected scripts.

    • High

      Missing Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • High

      Missing X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • High

      Missing Content-Security-Policy header

      Controls resources the browser is allowed to load

      What to do: Implement a Content-Security-Policy appropriate for your application

      • ASVS V3.4.3
      • OWASP Secure Headers: OWASP Secure Headers Project recommends Content-Security-Policy: default-src 'self'; form-action 'self'; base-uri 'self'; object-src 'none';…

Need hands-on remediation? Email guard@offseq.com

Keep watching dpf-xtuning.cz

This scan found 22 issues across 6 checks. Monitoring re-runs those checks daily, emails you when something material changes and records each fix, so you can show progress.

Daily monitoring

Recommended

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  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • 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
85
Security headers
20
Email security
70
DNS health
80
Network security
20
GDPR outside view
40
Average
53

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
  • 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

The company leverages partnerships with related automotive tuning and performance measurement businesses, indicating a strategic ecosystem approach. The market positioning is focused on a specialized segment within the transportation industry, catering to diesel vehicle owners concerned with emission standards. The absence of explicit contact emails or phone numbers on the website suggests a controlled communication channel via forms, possibly to manage inquiries efficiently. The website content and linked partner domains reflect a coherent business strategy targeting growth within the Czech automotive aftermarket niche.

Security posture

The website employs HTTPS and includes cookie consent mechanisms, indicating baseline security and privacy awareness. However, the absence of explicit security headers and lack of a published privacy policy or terms of service page represent compliance and security gaps. No critical vulnerabilities or exposed sensitive data were detected in the content. The WHOIS data is missing, which reduces domain trustworthiness and should be addressed. Overall, the security posture is moderate but could be improved by implementing recommended headers, publishing privacy and security policies, and verifying domain registration details.

Recommendations

  1. Publish a comprehensive privacy policy and terms of service pages to enhance compliance and user trust.
  2. Implement HTTP security headers such as Content-Security-Policy, Strict-Transport-Security, X-Frame-Options, and X-XSS-Protection.
  3. Verify and update WHOIS domain registration information to improve legitimacy and trust.
  4. Enhance accessibility features to meet modern standards and improve user experience for all visitors.
  5. Regularly audit third-party scripts and tracking tools to ensure they do not introduce vulnerabilities or privacy risks.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
XTUNING s.r.o.
Description
Xtuning provides cleaning services for diesel particulate filters (DPF) for vehicles including trucks, buses, and agricultural machinery. They offer professional cleaning to ensure compliance with emission standards and vehicle inspections.
Key services
DPF filter cleaning, DPF filter inspection and testing, Consultation and ordering services
Content quality
good
Branding
consistent

Technology

Stack
Bootstrap, jQuery, Google Tag Manager, Google Analytics, Magnific Popup, CSS3, HTML5
Frameworks
Bootstrap
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
70/100
Good practices seen
  • HTTPS usage implied by og:url and canonical links (https://)
  • Cookie consent mechanism implemented
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics, Google Tag Manager, Seznam.cz analytics
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Seznam.cz rc.js
Marketing tools
Seznam.cz marketing scripts
Transparency
basic

Site quality

Design
good
User experience
good
Content relevance
good
Navigation
good
Professionalism
good
Trustworthiness
moderate

Key observations

  1. Website is fully accessible with no blocking detected.
  2. WHOIS data unavailable, which is unusual and reduces domain trust.
  3. Website uses modern frontend technologies and has a professional design.
  4. Cookie consent mechanism is implemented, but no explicit privacy policy page found.
  5. Contact information is only via a contact form; no explicit emails or phone numbers found.
  6. Multiple related partner domains linked in footer.
  7. No security headers detected in provided data; SSL usage implied but not confirmed.
  8. No signs of adult or questionable content; content is safe and business-focused.
Technical notes

Notes

The website is built using a custom CMS (CPedit) with a frontend stack including Bootstrap and jQuery, supported by Google Tag Manager and analytics tools. The design is responsive and mobile-friendly, with moderate performance. The site uses multiple external scripts for tracking and marketing, which are standard but require ongoing monitoring. No hosting provider information was identified. The technical implementation is solid but could benefit from improved security headers and enhanced accessibility compliance.
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

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