Is tomas.travel 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 vacation rental search and booking platform targeting travelers seeking holiday accommodations primarily in Germany and Europe. The website offers a comprehensive search engine with over 15 million listings, positioning itself as a significant player in the hospitality sector. The business model revolves around aggregating and comparing vacation rental offers to facilitate user bookings. Technically, the site employs modern JavaScript frameworks, including React, and integrates multiple analytics and marketing tools such as Google Analytics, Bing Ads, and Taboola. Hosting is managed via Amazon AWS infrastructure, ensuring reliable performance and scalability. Security posture is solid with HTTPS enforcement and standard security headers, though explicit security policies and incident response contacts are not published on the analyzed page. Privacy compliance is evident through accessible privacy and cookie policies, with GDPR considerations addressed. Overall, the site demonstrates good professionalism, trustworthiness, and technical maturity, though improvements in transparency around security and contact information would enhance credibility further.
Detected Technologies
10 urgent findings need attention
1 critical · 9 high
- + 2 more findings in the full report below
Keep tomas.travel 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
9 findings
2/100
Email Security
2 findings
87/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Holidu holds a strong market position in the European vacation rental industry, leveraging a large inventory and price comparison capabilities to attract travelers. The company benefits from partnerships and a visible social media presence, enhancing brand recognition. Revenue streams likely include commissions from bookings and advertising partnerships. The target audience is broad, encompassing leisure travelers and vacation renters. The platform's technical infrastructure supports extensive data collection and user tracking for marketing optimization. Growth indicators include active experimentation with UI/UX features and integration of multiple tracking and advertising services. The partnership ecosystem includes major social media platforms and advertising networks, though no direct partner domains were identified in the analyzed content.
Security Posture Analysis
Comprehensive Security Assessment
The website maintains a good security baseline with HTTPS, no exposed sensitive data, and use of security headers such as cache control and referrer policies. However, the absence of a published security policy, incident response contacts, or vulnerability disclosure mechanisms limits transparency and preparedness perception. The use of third-party tracking and fingerprinting scripts introduces privacy considerations but appears compliant with GDPR through cookie consent mechanisms. No vulnerabilities or malware indicators were detected. Recommendations include publishing a security.txt file, enhancing CSP headers, and providing clear incident response channels to improve security maturity and user trust.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a dedicated security policy and incident response contact information on the website.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Holidu GmbH
Holidu is a vacation rental search platform that helps users find and compare over 15 million holiday offers. It targets travelers looking for accommodations and vacation homes.
good
consistent
Technical Stack
moderate
good
basic
basic
Security Assessment
- HTTPS enforced
- No exposed sensitive data in HTML
- Use of async scripts
- No inline event handlers
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a 404 error page for the /dmo path but contains full site header, footer, and search functionality.
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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
Critical sector without clear security compliance
HIGHDetected sectors: energy, transport, banking, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
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
DKIM Selectors Found
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
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
Short HSTS Max-Age
LOWHSTS max-age is less than 1 year
HSTS Missing includeSubDomains
LOWHSTS header does not include subdomains
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 Transfer Lock Not Enabled
MEDIUMDomain can be transferred without authorization
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
Domain Registration Details
- •No domain protection locks enabled
DNS Records
DNSSEC Status
⚡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 tomas.travel 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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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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