Is tennisimnorden.de Safe? Security Analysis for Deutscher Tennis Bund (DTB)
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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 tennis.de serves as the official platform for the Deutscher Tennis Bund (DTB), focusing on providing comprehensive information about the Regionalliga Nord-Ost and related tennis leagues in Germany. It offers league results, official documents, contact details for league officials, and integrates with the nuLiga platform for result entry. The site targets tennis players, clubs, officials, and fans primarily in northern and eastern Germany. The business model revolves around sports federation services and information dissemination. Technically, the site is built on Adobe Experience Manager (AEM) with modern JavaScript frameworks including ZK Framework and Litepicker. It is hosted on Adobe's cloud infrastructure, ensuring reliable performance and scalability. The site is mobile-optimized, accessible, and SEO-friendly, with a moderate performance profile. Cookie consent is managed via Cookiebot, and Google Tag Manager is used for analytics and marketing. From a security perspective, the site enforces HTTPS and uses consent management for cookies, but lacks explicit security headers and a published security policy or incident response contacts. No vulnerabilities or suspicious content were detected. The domain WHOIS data indicates professional management consistent with a reputable organization. Overall, the website is a trustworthy, well-maintained official sports federation site with good content quality and technical implementation. Strategic improvements could include enhanced security headers and publishing a security policy to further strengthen trust and compliance.
Detected Technologies
7 urgent findings need attention
7 high
Keep tennisimnorden.de 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
2 findings
80/100
GDPR Compliance
2 findings
83/100
NIS2 Compliance
8 findings
7/100
Email Security
5 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The Deutscher Tennis Bund operates as the national governing body for tennis in Germany, with tennis.de as its official digital presence. The site supports league management and communication for regional leagues such as Regionalliga Nord-Ost, Nordliga, and Ostliga, as well as related sports like Padel and Beach Tennis. The platform provides official documents, schedules, and contact information, facilitating efficient league operations and fan engagement. Partnerships with brands like Dunlop indicate strong industry relationships. The business model is service-oriented, focusing on sports administration and community support. The site’s comprehensive content and authoritative positioning reinforce DTB's market leadership in German tennis.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a solid security posture with mandatory HTTPS encryption and integration of cookie consent mechanisms compliant with GDPR. Use of Google Tag Manager is controlled via consent management, reducing privacy risks. However, the absence of explicit security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options represents an area for improvement. No incident response or vulnerability disclosure information is published, which could hinder rapid response to security events. No exposed sensitive data or vulnerable libraries were detected. Overall, the site is secure but could benefit from enhanced security best practices and transparency.
Strategic Recommendations
Priority Actions for Security Improvement
Implement and configure security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to mitigate common web attacks.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Deutscher Tennis Bund (DTB)
Information and documents related to the Regionalliga Nord-Ost, Nordliga, Ostliga, Padel and Beach Tennis leagues in Germany.
good
consistent
Technical Stack
moderate
good
good
good
Security Assessment
- HTTPS enforced
- Use of Google Tag Manager with consent management
- Cookie consent via Cookiebot
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a well-structured official sports federation platform.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Weak Referrer-Policy configuration
LOWCurrent value: "no-referrer-when-downgrade"
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Data Protection Officer mentioned
LOWLarge organizations may need to designate a DPO under GDPR
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
Critical sector without clear security compliance
HIGHDetected sectors: energy, transport, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
Complex SPF record
LOWToo many include statements can cause lookup limits
DMARC not enforcing
MEDIUMDMARC policy is set to "none"
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
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
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 Transfer Lock Not Enabled
MEDIUMDomain can be transferred without authorization
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
DMARC Policy Set to None
LOWDMARC is configured but not enforcing any policy
Domain Registration Details
- •No domain protection locks enabled
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 tennisimnorden.de compare?
See how tennisimnorden.de 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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