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Security report for tentschert.de

Tentschert Immobilien GmbH & Co KG · Real Estate · Germany

Low risk. 2 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

Tentschert Immobilien GmbH & Co KG is a well-established real estate brokerage firm operating primarily in Ulm, Neu-Ulm, and surrounding regions in Germany. With over 30 years of market experience, the company offers a comprehensive range of services including property sales, rentals, valuations, and market reporting. The website reflects a professional and trustworthy business with a clear focus on customer service and market expertise. Technically, the site is built on WordPress using the Enfold theme and several specialized plugins, supported by Cloudflare DNS and hosting infrastructure. Security posture is good with HTTPS enforced and cookie consent implemented, though some security headers and policies could be improved. Overall, the site is well-optimized for SEO and user experience, targeting general audiences interested in real estate services.

Scanned

NIS2 and GDPR posture

GDPR outside view
88/ 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

2 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 SSL Key Length

      SSL certificate uses 256-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 tentschert.de

This scan found 17 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.

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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
75
Security headers
80
Email security
60
DNS health
65
Network security
100
GDPR outside view
88
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

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 tentschert.de, from OffSeq Breach.

Total records
16
Employees
0
Customers
16
Third parties
0
Weak passwords
63%

6 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 tentschert.de.

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 holds a leading position in the local real estate market with a medium-sized team and a strong service portfolio. Their business model centers on brokerage and valuation services, supported by proprietary market reports and a large internal customer database. The firm leverages digital marketing tools and social media channels to maintain visibility and customer engagement. Growth indicators include active new build projects and a comprehensive online property listing system. Partnerships with real estate portals and consent management providers enhance their operational ecosystem. The company’s focus on personalized service and market knowledge provides a competitive advantage in a dynamic regional market.

Security posture

The website demonstrates a mature security posture with HTTPS enabled and integration of consent management for privacy compliance. However, explicit security policies, incident response contacts, and vulnerability disclosure mechanisms are absent, representing gaps in formal security governance. The use of third-party scripts and plugins necessitates ongoing vigilance to prevent vulnerabilities. No critical security issues or exposed sensitive data were detected. Recommendations include implementing security headers, publishing a security policy, and establishing a vulnerability disclosure process to enhance trust and compliance.

Recommendations

  1. Implement comprehensive security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options.
  2. Publish a clear security policy and provide incident response contact information on the website.
  3. Establish a vulnerability disclosure policy or security.txt file to encourage responsible reporting.
  4. Regularly update all plugins and third-party libraries to mitigate potential vulnerabilities.
  5. Enhance accessibility features to improve compliance and user experience for all visitors.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Tentschert Immobilien GmbH & Co KG
Description
Führender Immobilienmakler für Ulm, Neu-Ulm & Umgebung mit über 30 Jahren Erfahrung, professionell und diskret, offering top real estate offers for rent and purchase.
Key services
Real estate sales, Real estate rentals, Property valuation and appraisal, Market reports, Consulting for buyers, sellers, landlords, and tenants
Content quality
good
Branding
consistent

Technology

Stack
WordPress, Enfold Theme, jQuery, Google Tag Manager, MeinImmoPortal plugin, Avatar Manager plugin, Immowerft plugin, Mitarbeiterwerft plugin, WP Review Slider Pro plugin, Flexslider
Frameworks
WordPress
Platforms
WordPress CMS
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enforced
  • Use of Google Tag Manager with consent management
  • Cookie consent mechanism implemented

Analytics and tracking

Services
Google Tag Manager, Microsoft Clarity
Tracking level
moderate
Privacy practices
basic

Advertising

Ad networks
Google Ads, Bing Ads
Tracking pixels
Microsoft Clarity, Bing UET
Marketing tools
MeinImmoPortal Consent Management
Transparency
good

Site quality

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

Key observations

  1. Website is a professional real estate brokerage with comprehensive service offerings.
  2. Content is well structured with clear navigation and multiple service sections.
  3. Use of modern WordPress plugins and theme with embedded consent management.
  4. No explicit privacy policy or terms of service found on main page.
  5. Contact information is clearly presented with multiple phone numbers and emails.
  6. Social media presence is active with Facebook, Twitter, Instagram, and YouTube links.
  7. No security.txt or vulnerability disclosure policy detected.
  8. SSL and HTTPS are properly configured with Cloudflare nameservers.
  9. Cookie consent mechanism is implemented via third-party service.
  10. No signs of adult or questionable content; safe for general audiences.
Technical notes

Notes

The website is built on a modern WordPress CMS platform using the Enfold theme and multiple specialized plugins for real estate listings, team management, and reviews. It integrates Google Tag Manager and Microsoft Clarity for analytics and tracking, with a cookie consent mechanism to comply with privacy regulations. Hosting is managed via Cloudflare, providing DNS and security benefits. Performance is moderate with responsive design and mobile optimization in place. Opportunities exist to improve accessibility and security header implementation. The technical infrastructure supports the business needs effectively but should be maintained with regular updates and security audits.
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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