Is holidu.no Safe? Security Analysis for Holidu GmbH
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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
Holidu GmbH operates a professional online vacation rental platform specializing in holiday homes, villas, and apartments primarily across Europe. The website offers a comprehensive search and booking experience targeting families, pet owners, and travelers seeking quality vacation accommodations. The platform is well-positioned in the European hospitality market with a strong brand presence and multiple localized sister sites. Technically, the site uses modern JavaScript frameworks and integrates various analytics and marketing tools, indicating a mature digital infrastructure. Security posture is solid with HTTPS enforcement and standard security headers, though some enhancements like CSP and HSTS could improve resilience. Privacy compliance is well addressed with clear cookie and privacy policies, reflecting GDPR adherence. The absence of WHOIS data limits full domain trust analysis, but the overall professionalism and content quality suggest a legitimate and trustworthy business. Strategic recommendations include enhancing security headers, expanding contact transparency, and continuous monitoring of third-party scripts for vulnerabilities.
Detected Technologies
8 urgent findings need attention
8 high
Keep holidu.no under constant watch
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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
3 findings
70/100
GDPR Compliance
3 findings
58/100
NIS2 Compliance
8 findings
17/100
Email Security
2 findings
80/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Holidu's market positioning as a specialist vacation rental platform in Europe leverages a broad inventory of properties and user-friendly search features. The business model centers on commission-based bookings and partnerships with property owners. The company targets diverse customer segments including families, pet owners, and remote workers, as evidenced by specialized property categories. Growth indicators include multi-country localized sites and mobile app availability. The partnership ecosystem includes major advertising and analytics providers, supporting effective marketing and user acquisition. Operationally, the company maintains strong branding consistency and trust signals such as free cancellation and star ratings. However, direct contact information is limited on the public site, which could be improved for enhanced customer trust.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a mature security posture with HTTPS enforced and several security headers controlling caching and referrer policies. Use of fingerprinting scripts indicates advanced client identification techniques, which may raise privacy considerations but also enhance fraud prevention. No obvious vulnerabilities or exposed sensitive data were detected in the HTML content. The site lacks some advanced headers like Content-Security-Policy and HSTS, which are recommended to mitigate XSS and downgrade attacks. Incident response and vulnerability disclosure information are not publicly available, suggesting room for improvement in transparency and security culture. Overall, the security score is good but could be elevated with additional controls and published security policies.
Strategic Recommendations
Priority Actions for Security Improvement
Implement Content-Security-Policy and HTTP Strict Transport Security headers to enhance security.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Holidu GmbH
Stort utvalg av feriehus, ferieleiligheter og fincas av høy kvalitet ✔ Sjekket innkvartering til beste pris, bestill trygt ✔ Ferieboliger med basseng, havutsikt, barnevennlige, kjæledyrvennlige ✔ Spesialist for de vakreste ferieregionene i Europa
excellent
consistent
Technical Stack
moderate
good
good
good
Security Assessment
- HTTPS enforced
- No exposed sensitive data in HTML
- Use of security headers to control caching and referrer
- Fingerprinting script used for client identification
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a professional vacation rental platform targeting European markets.
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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=15552000"
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
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 Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
Privacy policy may not be GDPR compliant
MEDIUMPrivacy policy lacks explicit GDPR compliance elements
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 DMARC reporting
LOWDMARC aggregate reports not configured
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
SPF Details
DMARC Details
MTA-STS 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
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 78 days
Partial SSL/TLS Assessment
LOWCompleted 3 of 4 security checks due to time constraints
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
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does holidu.no compare?
See how holidu.no stacks up against similar websites in the same industry.
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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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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