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Security report for rdrymarov.cz

RD Rýmařov s.r.o. · Real Estate · Czech Republic

Low risk. 3 critical or high findings in Security headers and SSL/TLS.

Security score

78/100

Risk levelLow

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

RD Rýmařov s.r.o. is a well-established Czech company specializing in turnkey wooden family homes, boasting over 50 years of experience and having built homes for more than 25,000 families. The company offers a range of services including bungalows, two-story houses, and customizable home configurations, targeting individuals and families seeking quality wooden homes. Their market position is strong within the Czech Republic, supported by a consistent brand presence and trust indicators such as a 30-year warranty and active social media engagement. Technically, the website employs modern tracking and analytics tools like Google Analytics, Facebook Pixel, and uses Google reCAPTCHA for form security. The site is mobile-optimized, accessible, and SEO-friendly, though it lacks explicit security headers. Privacy and cookie policies are comprehensive and GDPR compliant, with clear consent mechanisms. The security posture is good with HTTPS enforced and no visible vulnerabilities, but could be improved by adding security headers and incident response information. Overall, the website is professional, trustworthy, and safe for general audiences.

Scanned

This is an earlier scan of rdrymarov.cz. View the latest report

NIS2 and GDPR posture

GDPR outside view
95/ 100 · Low
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

3 findings rated critical or high. Fix these first.

  1. 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 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';…

  2. SSL/TLS

    TLS encrypts the connection and proves the site is really yours. Weak or expiring certificates trigger browser warnings and put traffic at risk.

    • High

      Weak Protocols Supported

      Server supports weak protocols: TLSv1.1

      What to do: Disable TLS 1.0, TLS 1.1, and all SSL versions

      • CWE-327
      • OWASP A04:2025
      • ASVS V12.1.1
    • High

      Weak SSL Key Length

      SSL certificate uses 384-bit key, which is considered weak

      What to do: Use at least 2048-bit RSA or 256-bit ECC key

      • CWE-326
      • OWASP A04:2025
      • Mozilla TLS: Mozilla Server Side TLS 6.0 intermediate: rsa_key_size 2048

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

Keep watching rdrymarov.cz

This scan found 19 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
42
Security headers
60
Email security
85
DNS health
85
Network security
100
GDPR outside view
95
Average
78

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 operates in the real estate sector focusing on wooden family homes, leveraging a business model centered on turnkey construction and customization. Their competitive advantage lies in their long-standing market presence, extensive experience, and comprehensive warranty offerings. Revenue streams likely include home sales, customization services, and possibly related construction materials or consulting. The target customer segment is families and individuals in the Czech Republic seeking sustainable and healthy living environments. The company maintains a strong partnership ecosystem visible through social media and online presence. Growth indicators include active marketing campaigns and a broad catalog of home models. Strategic observations suggest a focus on digital maturity with ongoing improvements in user experience and privacy compliance.

Security posture

The website demonstrates a mature security posture with HTTPS enforced and use of Google reCAPTCHA to protect forms from abuse. Cookie consent mechanisms align with GDPR requirements, enhancing privacy compliance. However, the absence of explicit security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options represents an area for improvement. No vulnerabilities or exposed sensitive data were detected in the HTML content. Incident response and security policy information are not publicly available, which could be a gap in transparency and readiness. Overall, the security measures are adequate for the business type but could be strengthened to mitigate advanced threats and improve trust.

Recommendations

  1. Implement comprehensive security headers including CSP, HSTS, and X-Frame-Options to enhance protection against common web attacks.
  2. Publish a dedicated security policy and incident response page to improve transparency and preparedness.
  3. Regularly audit third-party scripts and dependencies to identify and mitigate potential vulnerabilities.
  4. Enhance monitoring and logging capabilities to detect and respond to security incidents promptly.
  5. Continue to maintain and update privacy and cookie policies to stay compliant with evolving regulations.

Contact details published on the site

Addresses
Legal name
RD Rýmařov s.r.o.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
RD Rýmařov s.r.o.
Description
Více než 50 let zkušeností a 25 000 spokojených rodin - to je to, co dělá z RD Rýmařov specialisty na dřevostavby na klíč. Bungalovy či patrové domy, čekací doba do 1 roku a možnost individuálních úprav, to vše pro to, abyste měli své vysnění bydlení.
Key services
Turnkey family wooden houses, Bungalows and two-story houses, House customization and configuration, Construction consulting
Content quality
excellent
Branding
consistent

Technology

Stack
Google Tag Manager, Google Analytics, Facebook Pixel, WebFont Loader, Cloudfront CDN, jQuery (implied by usage of $ in scripts), Google reCAPTCHA v2
Performance
moderate
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • Google reCAPTCHA on forms
  • Cookie consent banner with granular controls
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Google Analytics, Facebook Pixel, Ecotrack (Snowplow)
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Google Ads, Facebook Ads
Tracking pixels
Facebook Pixel
Marketing tools
Facebook Pixel
Transparency
good

Site quality

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

Key observations

  1. Website is professionally designed and fully accessible
  2. No signs of malware or phishing
  3. Comprehensive cookie and privacy policies with consent mechanisms
  4. Multiple social media channels linked and active
  5. No WHOIS data available, likely due to privacy protection
  6. Secure forms with Google reCAPTCHA implemented
  7. Use of modern tracking and analytics tools
  8. No explicit security headers detected in HTML source
  9. Content is focused on family homes and construction, safe for general audience
Technical notes

Notes

The website uses a modern technology stack including Google Tag Manager, Google Analytics, Facebook Pixel, and Cloudfront CDN for asset delivery. It employs Google reCAPTCHA v2 for form security and uses WebFont Loader for optimized font loading. The CMS appears to be custom or proprietary, with no public CMS detected. Performance is moderate with good mobile optimization and accessibility features. SEO is well addressed with proper meta tags and structured data in JSON-LD format. The site could benefit from adding explicit security headers and further performance optimizations. Overall, the technical infrastructure supports a professional and user-friendly experience with room for security enhancements.
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. 71/100Medium23 findingsView report
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