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Security report for realexpresweb.cz

DALTEN media s.r.o. · Real Estate · Czech Republic

Medium risk. 10 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

The website realexpresweb.cz represents a professional service offering modern, responsive web presentation templates specifically tailored for real estate agencies in the Czech Republic. Operated by DALTEN media s.r.o., the platform provides multiple plans including free and premium options, integrating listings from RealityMIX.cz and offering hosting and HTTPS certificates. The company positions itself as a trusted provider with over 100 real estate agencies using its system, emphasizing quick deployment and customizable branding. Technically, the website employs modern JavaScript frameworks, Bootstrap for responsive design, and integrates Google Analytics and Tag Manager for user behavior tracking. The site is mobile optimized and SEO friendly, with a cookie consent mechanism that complies with GDPR requirements. Hosting appears to be managed by Dalten.cz, which also provides cookie consent services. From a security perspective, the site uses HTTPS and implements cookie consent with granular user controls. However, it lacks published security policies, incident response contacts, and advanced security headers. No vulnerabilities or sensitive data exposures were detected in the analyzed content. The WHOIS data is consistent and indicates a mature domain registered since 2014, matching the business claims. Overall, the website demonstrates a solid business and technical foundation with good privacy compliance and security posture. Strategic improvements include publishing explicit privacy and security policies, enhancing security headers, and providing incident response information to further strengthen trust and compliance.

Scanned

NIS2 and GDPR posture

GDPR outside view
25/ 100 · Critical
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

10 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 realexpresweb.cz

This scan found 28 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

€25per month

  • 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
15
Email security
55
DNS health
80
Network security
100
GDPR outside view
25
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

Breach exposure

Leaked credentials and lookalike domains from OffSeq Breach. The counts are free; the detailed lists are paid add-ons.

Dark web exposure

Add-on

Leaked records that mention realexpresweb.cz, from OffSeq Breach.

No leaked records found

Breach holds no records for realexpresweb.cz right now. New leaks arrive continuously, so monitoring on Breach alerts you if that changes.

Monitor on Breach (opens in a new tab)

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, targeting real estate agencies seeking professional web presence solutions. Its business model revolves around subscription-based web templates and hosting services, with integration to a major real estate listing platform (RealityMIX.cz). The presence of multiple plans including a free tier suggests a strategy to attract a broad user base and upsell premium features. The company leverages partnerships with related domains and services, enhancing its ecosystem. The clear contact information and established domain age support credibility. Growth indicators include over 100 agencies using the system and a history dating back to 2014. The partnership ecosystem includes related real estate and media sites, indicating a well-networked operation.

Security posture

The website exhibits a moderate to good security maturity level. HTTPS is enforced, and cookie consent is implemented with detailed user options, reflecting GDPR awareness. However, the absence of explicit security policies, incident response contacts, and advanced security headers limits the security posture. No vulnerabilities or exposed sensitive data were found, and third-party scripts are loaded asynchronously to improve security and performance. The lack of a published vulnerability disclosure or security.txt file is a gap. Overall, the site is secure for its business purpose but could benefit from formalizing security governance and incident response transparency.

Recommendations

  1. Publish a comprehensive privacy policy and terms of service pages accessible from the main navigation or footer.
  2. Implement and publicly disclose a security policy including frameworks or standards followed (e.g., ISO 27001).
  3. Add security headers such as Content-Security-Policy, X-Frame-Options, and Strict-Transport-Security to enhance protection.
  4. Provide clear incident response contact channels (e.g., security@ or abuse@ email addresses) and consider publishing a security.txt file.
  5. Regularly review and audit third-party scripts and dependencies to mitigate potential vulnerabilities.

Contact details published on the site

Addresses
Legal name
DALTEN media s.r.o.
Registration number
27135306
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
DALTEN media s.r.o.
Description
REWEB 2020 - profesionální webová prezentace. Získejte během chvilky moderní webovou prezentaci vaší realitní kanceláře.
Key services
Modern responsive web templates, Hosting web presentations, Integration with RealityMIX.cz listings, HTTPS certificate provision, Customizable branding and SEO settings
Content quality
good
Branding
consistent

Technology

Stack
JavaScript, Google Analytics, Google Tag Manager, Bootstrap (navbar classes), Fancybox (gallery), Cookie consent management by Dalten.cz
Frameworks
Bootstrap
Performance
moderate
Mobile
excellent
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enabled
  • Cookie consent banner with granular consent options
  • No exposed sensitive data in HTML
  • Use of async/defer scripts for performance

Analytics and tracking

Services
Google Analytics, Google Tag Manager
Tracking level
moderate
Privacy practices
good

Advertising

Transparency
good

Site quality

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

Key observations

  1. Website is fully accessible with no blocking or WAF challenges.
  2. Content is professionally presented in Czech language targeting real estate agencies.
  3. Cookie consent mechanism is implemented with granular consent options.
  4. No explicit privacy policy or terms of service pages found on the site.
  5. Contact information is clearly provided including phone, email, physical address, and contact form.
  6. Use of modern web technologies and analytics tools is evident.
  7. No security policy or incident response information is published.
  8. No vulnerabilities or exposed sensitive data detected in the HTML content.
  9. Multiple related partner domains linked in footer and content.
  10. Website is mobile optimized and SEO friendly.
Technical notes

Notes

The website uses a modern tech stack including Bootstrap for responsive design, JavaScript modules, and integrates Google Analytics and Tag Manager for analytics. The site is mobile optimized with good SEO practices including meta tags and Open Graph data. Hosting appears stable and likely managed by Dalten.cz, which also provides cookie consent services. Performance is moderate with deferred script loading. No CMS was detected, suggesting a custom or proprietary solution. Accessibility is basic but could be improved. Overall, the technical implementation supports the business goals effectively with room for enhancements in accessibility and security headers.
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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