Is on-res.com Safe? Security Analysis for Computer Online AG
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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
The website on-res.com is operated by Computer Online AG, a Swiss company specializing in providing an online reservation and administration system tailored for aviation clubs, flight schools, and charter services. The platform offers real-time flight scheduling, digital flight logs approved by Swiss aviation authorities (BAZL), technical maintenance logs, and integration with Swiss accounting software (Comatic). The business model is that of an Application Service Provider (ASP), targeting niche aviation organizations primarily in Switzerland. The company has been established since 2002, indicating a mature presence in its market segment. Technically, the website employs basic web technologies including HTML, CSS, JavaScript, and jQuery 2.2.4. It supports multiple browsers and mobile devices such as iPads and iPhones, though mobile optimization is basic. The site lacks modern CMS frameworks and advanced SEO or accessibility features, reflecting a functional but dated technical infrastructure. From a security perspective, the domain is registered with a reputable registrar and has a long history, supporting legitimacy. However, the site lacks DNSSEC, security headers, and published privacy or cookie policies, which are notable compliance and security gaps. No WAF or blocking mechanisms are detected, and no analytics or tracking scripts are present, indicating minimal user tracking. Contact information is clearly provided, enhancing trust. Overall, the website scores moderately on content quality and business credibility but lower on technical implementation and privacy compliance. Strategic improvements in security headers, privacy documentation, and modernizing the technical stack would enhance the site's security posture and user trust.
Detected Technologies
12 urgent findings need attention
12 high
- + 4 more findings in the full report below
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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
8 findings
15/100
GDPR Compliance
4 findings
35/100
NIS2 Compliance
8 findings
17/100
Email Security
4 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Computer Online AG occupies a specialized niche in the aviation software market, providing tailored solutions for flight reservation and administration. Its competitive advantage lies in integration with Swiss accounting software and compliance with aviation authority requirements. The business model as an ASP allows recurring revenue through annual fees per aircraft or reservation object. The target customers are aviation clubs, flight schools, and charter operators primarily in Switzerland. The company demonstrates stable operations with a long domain history and references to existing users. Partnerships, notably with Comatic, strengthen its ecosystem. Growth potential may be limited by niche focus but benefits from strong domain expertise and regulatory alignment.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The current security posture is moderate but with room for improvement. The domain registration is consistent and trustworthy, but the absence of DNSSEC and security headers weakens DNS and web security. Lack of privacy and cookie policies indicates compliance gaps with GDPR and related regulations. No incident response or vulnerability disclosure information is provided, limiting transparency. The site uses HTTPS as implied by URLs but no detailed SSL configuration data is available. Minimal user tracking reduces privacy risks but also limits analytics insights. Overall, the security culture appears basic, with no advanced protections or disclosures.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC on the domain to enhance DNS security and prevent spoofing.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Computer Online AG
Flugplatz Administration mit Rechnungswesen/Fakturierung für Motorflug, Segelflug, Charter, Haltergemeinschaften, Flugschulen, Sportclubs sowie Vereine in Echtzeit, Online-Buchungssystem zur Flugzeugplanung, Reservations-Agenda, Flugdatenerfassung, digital Flugreisebuch, technische Mängelverwaltung, SMS-basierte Benachrichtigungen, Datenexport in Finanz- und Rechnungswesen.
good
consistent
Technical Stack
moderate
basic
basic
basic
Security Assessment
- Use of HTTPS (implied by URLs)
- ClientTransferProhibited domain status
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website provides a niche aviation reservation and administration service focused on Swiss market
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Strict-Transport-Security header
HIGHForces HTTPS connections
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
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
Sensitive data may be cached
LOWCache-Control header should include "no-store" for sensitive pages
👤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
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
Third-party services without privacy policy
HIGHDetected services: Google APIs
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
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
🏆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
Mixed Content Detected
MEDIUM2 resources loaded over insecure HTTP
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 Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
No DMARC Record
MEDIUMDMARC policy not configured
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
Service Exposed: SSH
MEDIUMPort 22 (SSH) is publicly accessible - SSH - Secure but can be brute-forced
How does on-res.com compare?
on-res.com scores below average. Browse similar domains to see how competitors handle security.
🔧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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