Is holidu.es 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 vacation rental platform focused on offering a wide range of holiday homes, including apartments, rural houses, and pet-friendly accommodations across Europe. The website targets families and travelers seeking verified vacation rentals with features such as pools, sea views, and child-friendly options. The platform supports multiple languages and countries, indicating a mature and expansive market presence. Technically, the site employs modern web technologies including React, Tailwind CSS, and integrates various analytics and marketing tools such as Google Analytics, Google Tag Manager, Taboola, and Facebook Connect. The site is mobile-optimized and provides a seamless user experience with clear navigation and professional design. Security-wise, the site enforces HTTPS, uses security headers, and implements cookie consent mechanisms, although explicit security policies and incident response contacts are not publicly available. WHOIS data confirms the legitimacy of the domain and its alignment with the business entity Holidu GmbH. Overall, the site demonstrates a strong digital maturity and trustworthy business model, with recommendations to enhance transparency around security policies and incident response.
Detected Technologies
9 urgent findings need attention
1 critical · 8 high
- + 1 more findings in the full report below
Keep holidu.es 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
3 findings
70/100
GDPR Compliance
4 findings
33/100
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 GmbH is positioned as a key player in the European vacation rental market, leveraging a marketplace model that aggregates verified listings from various property owners. The business benefits from a broad geographic footprint with localized sites for many European countries, enhancing its competitive advantage. Revenue streams likely include commissions on bookings and advertising from property owners. The platform's focus on family and pet-friendly rentals caters to niche customer segments, increasing market appeal. Partnerships with major ad networks and tracking services support effective marketing and customer acquisition. The absence of direct contact information on the main site suggests a focus on automated online transactions. The company maintains consistent branding and trust signals such as verified listings and mobile app availability, supporting customer confidence.
Security Posture Analysis
Comprehensive Security Assessment
The website exhibits a solid security posture with mandatory HTTPS, comprehensive security headers, and cookie consent mechanisms aligned with GDPR requirements. The use of fingerprinting technology (ThumbmarkJS) indicates proactive fraud detection measures. However, the lack of publicly available security policies, incident response procedures, and vulnerability disclosure programs represents a gap in transparency and preparedness. No vulnerabilities or exposed sensitive data were detected in the analyzed content. The site should consider publishing a security policy and providing clear channels for reporting security incidents to enhance trust and compliance. Regular audits of third-party scripts and dependencies are recommended to mitigate risks associated with external libraries.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a dedicated security policy page detailing security practices and compliance.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Holidu GmbH
Amplia selección de alquileres vacacionales, apartamentos, casas rurales de alta calidad. Alquileres vacacionales comprobados al mejor precio, reserva con confianza. Alquileres vacacionales con piscina, vistas al mar, apto para niños, apto para mascotas. Especialistas en las regiones turísticas más bonitas de Europa.
excellent
consistent
Technical Stack
moderate
excellent
good
good
Security Assessment
- HTTPS enforced
- Cookie consent with opt-in
- No exposed sensitive data in HTML
- Use of fingerprinting for fraud detection
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
EU business without adequate privacy measures
CRITICALEU businesses are subject to strict GDPR requirements
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 85 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
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.es 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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