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Security report for reality-strakonice.cz

Český Internet s.r.o. · Real Estate · Czech Republic

Medium risk. 9 critical or high findings in GDPR outside view, Email security and 2 other checks.

Security score

57/100

Risk levelMedium

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

Reality Strakonice is a Czech regional real estate listing website focused on properties in the Strakonice district. Operated by Český Internet s.r.o., the platform aggregates property listings for sale and rent, including offerings from verified real estate agencies and private sellers. The site provides advanced search filters and catalogs of brokers and agencies, targeting individuals and businesses interested in local real estate. The website is professionally designed with good content quality and clear navigation, supporting Czech language users. Technically, it employs modern JavaScript libraries, Google Analytics, and consent management tools, ensuring a moderate level of digital maturity and user tracking compliance. Security posture is adequate with HTTPS enforced and cookie consent implemented, though it lacks some security headers and formal incident response disclosures. The absence of WHOIS data reduces transparency but does not negate the legitimacy indicated by contact information and business presence. Overall, the site is a trustworthy regional real estate portal with room for security and compliance enhancements.

Scanned

NIS2 and GDPR posture

GDPR outside view
10/ 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

9 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. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

  3. 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 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 reality-strakonice.cz

This scan found 26 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
62
Security headers
35
Email security
60
DNS health
75
Network security
100
GDPR outside view
10
Average
57

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 reality-strakonice.cz, from OffSeq Breach.

No leaked records found

Breach holds no records for reality-strakonice.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 business operates as an important entity in the real estate sector, serving a regional market niche in the Czech Republic. Its business model centers on providing a digital marketplace for property listings, leveraging partnerships with local real estate agencies and brokers. The platform's revenue likely derives from advertising, featured listings, and agency partnerships. The company benefits from a strong parent organization, Český Internet s.r.o., which provides infrastructure and operational support. The website's content and service offerings align well with the target audience of property buyers, sellers, and renters in the Strakonice district. The presence of multiple partner domains and integrated marketing tools indicates a mature partnership ecosystem. Growth potential exists through expanding listings, improving user experience, and enhancing security and compliance to build further trust.

Security posture

The website demonstrates a baseline security posture with HTTPS enabled and cookie consent mechanisms in place, reflecting GDPR compliance efforts. However, the lack of visible security headers such as Content-Security-Policy and X-Frame-Options represents a gap that could expose the site to certain web-based attacks. No vulnerabilities or exposed sensitive data were detected in the HTML content. The absence of a published security policy, incident response plan, or vulnerability disclosure process limits transparency and preparedness. The WHOIS data absence raises minor concerns about domain registration transparency but is not uncommon for privacy-conscious businesses. Overall, the security maturity is moderate, with recommendations to implement additional headers, publish security policies, and maintain regular audits of third-party scripts.

Recommendations

  1. Implement comprehensive HTTP security headers including Content-Security-Policy, X-Content-Type-Options, and X-Frame-Options to enhance protection against common web attacks.
  2. Publish a formal security policy and incident response plan on the website to improve transparency and preparedness.
  3. Establish a vulnerability disclosure program, including a security.txt file, to facilitate responsible reporting of security issues.
  4. Regularly review and update third-party scripts and libraries to mitigate risks from vulnerable dependencies.
  5. Enhance WHOIS transparency if possible, or provide clear domain registration information to improve trustworthiness.

Contact details published on the site

Addresses
Legal name
Český Internet s.r.o.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
Český Internet s.r.o.
Description
Realitní inzerce pro okres Strakonice. Nemovitosti na prodej či k pronájmu, prověřené RK i nabídky bez realitky.
Key services
Real estate listings for sale and rent, Broker and agency catalogs, Advanced property search filters
Content quality
good
Branding
consistent

Technology

Stack
jQuery, Google Analytics, Google Tag Manager, Facebook SDK, AppConsent (cookie consent), Multiple Select JS, Slick Carousel, Flatpickr, Popper.js, Tooltip.js, Lazy loading images
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
80/100
Good practices seen
  • HTTPS enforced
  • Cookie consent mechanism implemented
  • No exposed sensitive data in HTML

Analytics and tracking

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

Advertising

Ad networks
Google Adsense, AppConsent, Twitter Ads
Tracking pixels
Twitter Pixel, Facebook SDK
Marketing tools
Facebook SDK, AppConsent
Transparency
good

Site quality

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

Key observations

  1. Website is a regional real estate listing portal for Strakonice district in Czech Republic.
  2. Content is in Czech language and well structured with advanced search filters.
  3. No WHOIS data available, which reduces transparency but does not necessarily indicate malicious intent.
  4. Privacy and cookie policies are present and GDPR compliance is indicated.
  5. Multiple external trusted domains linked, including partner real estate agencies.
  6. Use of modern web technologies and analytics tools.
  7. No signs of adult or unsafe content.
  8. No visible security headers detected; opportunity for security improvements.
Technical notes

Notes

The website uses a combination of modern JavaScript libraries such as jQuery, multiple-select, slick carousel, and flatpickr for UI enhancements. It integrates Google Analytics and Google Tag Manager for analytics and tracking, alongside Facebook SDK and Twitter pixel for marketing and retargeting. Cookie consent is managed via AppConsent scripts, indicating GDPR compliance efforts. The site is mobile responsive with adaptive images and uses lazy loading for performance optimization. No CMS is explicitly detected, suggesting a custom or proprietary platform. Performance is moderate with room for improvement in accessibility features. Hosting provider details are not disclosed. The technical stack is adequate for the business needs but could benefit from enhanced security configurations and performance tuning.
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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