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Security report for ohne-makler.net

ohne-makler.net · Real Estate · Germany

Medium risk. 4 critical or high findings in Security headers, GDPR outside view and 1 other check.

Security score

70/100

Risk levelMedium

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

ohne-makler.net is a German real estate platform founded in 2009 that enables users to sell and rent properties without brokers by publishing listings simultaneously on major portals such as ImmoScout24 and Immowelt. The website offers a comprehensive suite of services including multi-portal listing, premium exposés, legal advice, professional photography, and virtual tours, targeting private and professional real estate sellers and landlords. The platform positions itself as a cost-effective and time-saving alternative to traditional broker services with transparent pricing and extensive reach. Technically, the site uses modern JavaScript frameworks like Alpine.js and HTMX, integrates privacy-conscious analytics tools such as Matomo, and employs standard marketing and tracking technologies including Google Tag Manager and Facebook Pixel. The website is well-optimized for mobile devices, has good SEO and accessibility features, and presents a professional, trustworthy user experience. Security-wise, HTTPS is enforced with appropriate headers, but the absence of a published security policy and incident response information suggests room for improvement. The WHOIS data is missing or unavailable, which raises concerns about domain legitimacy and reduces trust scores, although the website content and business presence appear legitimate and professional. Overall, the site demonstrates a mature digital presence with solid privacy compliance but would benefit from enhanced transparency in security and domain registration details.

Scanned

NIS2 and GDPR posture

GDPR outside view
53/ 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

4 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. GDPR outside view

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

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

    • High

      No Cookie Consent Banner found

      GDPR requires explicit consent for non-essential cookies

      What to do: Implement a cookie consent banner that appears on first visit

  3. 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

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

Keep watching ohne-makler.net

This scan found 21 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
82
Security headers
45
Email security
72
DNS health
70
Network security
100
GDPR outside view
53
Average
70

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 ohne-makler.net, from OffSeq Breach.

Total records
863
Employees
0
Customers
862
Third parties
1
Weak passwords
7%

4 subdomains affected

See the 10 newest leaked credentials

A one-off add-on to this report that lists the most recent identifier and password pairs OffSeq Breach holds for ohne-makler.net.

Select it in the checkout above.

Breach keeps ingesting new leaks, so these numbers can grow between scans.

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 with a medium-sized footprint in Germany, serving over 10,000 customers with 15 years of experience. Its business model revolves around providing a centralized platform for property listings that are automatically published across multiple partner portals, offering convenience and cost savings compared to individual listings. The platform also offers value-added services such as legal consultation, professional photography, and virtual tours, catering to both novices and experienced sellers. The presence of customer testimonials and partner logos strengthens its market credibility. The company leverages partnerships with major real estate portals to maximize listing exposure. Revenue streams likely include listing fees and premium service charges. The business targets private sellers, landlords, and real estate professionals seeking efficient property marketing solutions. Strategic observations include a strong focus on user experience, transparent pricing, and leveraging technology to reduce time and cost barriers in property sales and rentals.

Security posture

The website demonstrates a good security posture with HTTPS enforced and standard security headers implemented. Privacy-conscious analytics (Matomo) and IP anonymization in Google Analytics indicate attention to data protection. However, the absence of a publicly available security policy, incident response plan, or vulnerability disclosure mechanism limits transparency and preparedness perception. No vulnerabilities or exposed sensitive data were detected in the HTML content. The site uses secure forms with CSRF tokens. The missing WHOIS data is a notable concern for domain legitimacy and trust. Overall, the security maturity is moderate with room for improvement in policy transparency and incident readiness.

Recommendations

  1. Publish a dedicated security policy page outlining security practices and compliance.
  2. Implement and publicize a vulnerability disclosure policy or security.txt file.
  3. Provide clear incident response contact information for security issues.
  4. Verify and update WHOIS domain registration information to improve trust.
  5. Enhance transparency around data retention policies and user privacy controls.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
ohne-makler.net
Description
ohne-makler.net offers a platform to sell and rent real estate without a broker by publishing listings simultaneously on major portals such as immowelt, ImmoScout24, Immonet, and others.
Key services
OM-Inserat (multi-portal listing), OM-Premium (full exposé and consulting), OM-Neubau (new construction marketing), OM-Grundrisse (floor plan preparation), OM-Energieausweis (online energy certificate), OM-Virtuelle Besichtigung (360° tours), OM-Schilder (signage and window lettering), OM-Wertermittlung (property valuation), OM-Fotos (professional real estate photography), OM-Rechtsrat (legal advice and contract review)
Content quality
excellent
Branding
consistent

Technology

Stack
Matomo Analytics, Google Tag Manager, Facebook Pixel, HTMX, Alpine.js
Frameworks
Alpine.js
Performance
moderate
Mobile
excellent
Accessibility
good
SEO
good

Security

Observed score
85/100
Good practices seen
  • HTTPS enforced
  • IP anonymization in Google Analytics
  • Use of Matomo for privacy-respecting analytics
  • No exposed sensitive data in HTML

Analytics and tracking

Services
Matomo, Google Analytics
Tracking level
moderate
Privacy practices
good

Advertising

Ad networks
Facebook Ads
Tracking pixels
Facebook Pixel, Matomo
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 rich content and professional design.
  2. No WHOIS data available, which is unusual and reduces trust score.
  3. Strong presence of real estate service offerings and partner portal integrations.
  4. Good privacy and cookie policy presence with consent mechanisms.
  5. No explicit security policy or incident response information found.
  6. Use of modern analytics and marketing tools with privacy considerations.
  7. Clear contact phone number and contact form available.
  8. No adult or NSFW content detected.
Technical notes

Notes

The website uses a modern tech stack including Alpine.js and HTMX for dynamic UI interactions, Matomo and Google Analytics for analytics, and Facebook Pixel for marketing. The site is well-structured with proper meta tags, Open Graph tags, and responsive design ensuring good SEO and mobile usability. Performance is moderate with preloading of fonts and CSS. No CMS was detected, suggesting a custom or static site architecture. Hosting provider details are not evident. The site uses standard favicon and manifest files for cross-platform compatibility. Overall, the technical implementation is solid with good modern practices but could benefit from explicit CMS or hosting transparency.
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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