Is nieruchomosci-online.pl Safe? Security Analysis for Nieruchomosci-online.pl - tu zaczyna się dom | Portal z ogłoszeniami nieruchomości
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SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
AI Summary
Nieruchomosci-online.pl is a prominent Polish real estate portal offering a comprehensive platform for buying, selling, and renting properties including apartments, houses, plots, and commercial spaces. The website targets a broad audience including individual buyers, renters, real estate agents, and developers, positioning itself as one of the largest property listing services in Poland with over 350,000 listings. The business model revolves around providing direct listings from owners, agencies, and developers, supplemented by tools such as a financial calculator and agent finder to enhance user experience. Technically, the website employs modern web technologies including jQuery, Google Tag Manager, and Mapbox for mapping services. The site is well-optimized for desktop and mobile devices, with good SEO practices and a professional design. Performance is moderate, with room for improvement in accessibility features. The site uses HTTPS exclusively, ensuring encrypted communications. From a security perspective, the site demonstrates good baseline practices such as HTTPS enforcement and cookie consent mechanisms aligned with GDPR. However, it lacks explicit security headers like Content-Security-Policy and does not provide visible contact points for security incidents or vulnerability disclosures. The absence of publicly available WHOIS data due to privacy protection is common but slightly reduces transparency. Overall, the website is a credible and professional real estate portal with a solid technical foundation and moderate security posture. Strategic improvements in privacy policy visibility, security headers, and incident response transparency would enhance trust and compliance.
Detected Technologies
10 urgent findings need attention
1 critical · 9 high
- + 2 more findings in the full report below
Keep nieruchomosci-online.pl under constant watch
Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.
Security drift alerts
Risk score drops, new high-severity issues, and header hardening gaps
Compliance watch
GDPR / NIS2 posture changes with governance evidence snapshots
Infrastructure surface
Unexpected open services, SSL expiry, DNS & email authentication changes
Content & tracker intelligence
Marketing tech shifts, analytics drift, and AI recommendation updates
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Security Headers
6 findings
45/100
GDPR Compliance
3 findings
40/100
NIS2 Compliance
8 findings
17/100
Email Security
5 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The portal operates in the competitive Polish real estate market, leveraging a large volume of listings and a user-friendly interface to attract buyers, renters, and real estate professionals. Its business model likely includes revenue streams from listing fees, advertising, and premium services for agents and developers. The site’s extensive geographic coverage across Poland and integration with social platforms and analytics tools indicate a mature digital marketing strategy. Lack of visible company registration or contact details on the homepage suggests a focus on user engagement over corporate transparency in public-facing content. The platform’s partnerships or subsidiaries are not explicitly identified in the provided data.
Security Posture Analysis
Comprehensive Security Assessment
The website maintains a good security baseline with HTTPS and cookie consent aligned with GDPR. However, the absence of key security headers and lack of published security policies or incident response contacts indicate areas for improvement. No vulnerabilities or exposed sensitive data were detected in the HTML content. The site does not appear to use a WAF or present blocking challenges, allowing full content access. The privacy protection on WHOIS is typical but reduces registrant transparency. Overall, the security posture is moderate, suitable for a commercial portal but with room to enhance defense-in-depth and compliance documentation.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a clear and accessible privacy policy and terms of service pages linked from the homepage.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Nieruchomosci-online.pl - Najwięcej nieruchomości w PL na sprzedaż i wynajem - Ponad 350 000 mieszkań, domów, działek i lokali - Sprawdź najnowsze ogłoszenia!
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- No exposed sensitive data in HTML
- Cookie consent mechanism implemented
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a large Polish real estate portal with extensive property listings.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Weak Strict-Transport-Security configuration
LOWCurrent value: "max-age=300; includeSubDomains"
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Missing Referrer-Policy header
LOWControls referrer information sent with requests
Missing Permissions-Policy header
MEDIUMControls browser features and APIs
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Privacy Policy found
HIGHGDPR requires a clear and accessible privacy policy
EU business without adequate privacy measures
CRITICALEU businesses are subject to strict GDPR requirements
Third-party services without privacy policy
HIGHDetected services: Google Analytics, Cloudflare
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans
No business continuity planning found
MEDIUMNIS2 emphasizes operational resilience and business continuity
No security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
Strict DMARC Alignment
LOWStrict alignment may cause legitimate emails to fail
No BIMI Record
LOWBIMI displays brand logos in email clients
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues
SPF Details
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Weak Protocols Supported
HIGHServer supports weak protocols: TLSv1.1
OCSP Stapling Not Enabled
LOWOCSP stapling improves performance and privacy
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 52 days
Short HSTS Max-Age
LOWHSTS max-age is less than 1 year
Protocol Support
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
Domain Registration Details
DNS Records
DNSSEC Status
DNS Performance
SPF Analysis
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
High-Risk Service Exposed: FTP
HIGHPort 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
How does nieruchomosci-online.pl compare?
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🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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PDF Report & Export
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Marketing Intelligence
Contact emails, phone numbers & warm leads
Plan Comparison
| Feature | PDF Report | Marketing+ |
|---|---|---|
| Full security analysis | ||
| Professional PDF export | ||
| Email delivery | ||
| Lifetime access + unlock code | ||
| Contact emails & phones | — | |
| Marketing outreach data | — |
Already purchased?
Order summary
Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.
Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.
SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
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