Is kostner.net Safe? Security Analysis for Kostner GmbH
https://kostner.netCheck if kostner.net is a scam or legitimate. Free security scan and reviews.
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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
Kostner GmbH operates a diversified business primarily in the energy sector, offering fuel products, retail services through gas stations and bistros, waste cleaning and disposal, and energy systems including e-mobility solutions. The company targets both general consumers and business clients within Italy, maintaining a medium-sized regional presence with multiple related subsidiaries. The website is built on TYPO3 CMS and integrates modern technologies such as Google Tag Manager and Usercentrics for analytics and consent management, reflecting a moderate level of digital maturity. Security posture is adequate with HTTPS usage and cookie consent mechanisms, but lacks explicit security headers and incident response information. The absence of WHOIS data for the domain raises concerns about registration legitimacy, though the professional website and consistent business information mitigate some trust issues. Overall, the site is well-designed, mobile-optimized, and compliant with GDPR privacy requirements, supporting a positive user experience and business credibility.
Detected Technologies
Keep kostner.net 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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OffSeq Observations
No critical findings yet
74/100
DNS Health
1 finding
0/100
Email Security
1 finding
0/100
GDPR Compliance
1 finding
0/100
Security scan incomplete. 7 out of 9 security checks failed to complete. The website may be inaccessible or protected by security measures. Please retry the scan or verify the website is accessible.
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Kostner GmbH holds a solid position in the regional energy and services market, leveraging a multi-service business model that includes fuel supply, retail, waste management, and energy system solutions. The company benefits from a network of related domains indicating subsidiaries or partners, enhancing its service portfolio and market reach. Revenue streams likely derive from fuel sales, retail operations, waste disposal contracts, and energy system installations. The target customer segments include private consumers, commercial clients, and possibly municipal contracts. The presence of a cookie consent platform and Google Tag Manager suggests an awareness of digital marketing and compliance. However, the lack of transparent WHOIS data and security policies could impact stakeholder trust and regulatory compliance in the long term.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a baseline security posture with HTTPS enabled and a robust cookie consent mechanism via Usercentrics, supporting GDPR compliance. However, the absence of visible security headers such as Content Security Policy, HSTS, and X-Frame-Options reduces defense-in-depth. No incident response or security policy information is publicly available, which may hinder rapid response to security events. The use of older JavaScript libraries like jQuery 1.9.1 could expose the site to known vulnerabilities if not properly patched. Overall, the security maturity is moderate but could be significantly improved by implementing recommended headers, updating libraries, and publishing security policies.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive HTTP security headers including CSP, HSTS, X-Frame-Options, and X-XSS-Protection.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Kostner GmbH
Ob Brennstoffe, Tankstellen & Bistro oder Reinigung & Entsorgung von Abfällen - wir von Kostner GmbH helfen Ihnen gerne in all diesen Bereichen.
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- Use of HTTPS (implied by canonical URL https)
- Cookie consent management via Usercentrics
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenges.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
How does kostner.net compare?
kostner.net 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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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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