Is kerstin-schleicher.de Safe? Security Analysis for Lind & Quittek 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
The website for kerstin-schleicher.de currently serves as a placeholder or customer menu page for Lind & Quittek GmbH, a small company based in Mannheim, Germany. The site content is minimal and displays a message indicating the requested domain could not be found on the server, suggesting the domain is not actively hosting business content or services. The technical infrastructure includes common JavaScript libraries and the Bulma CSS framework, but lacks a valid SSL/TLS certificate and modern HTTPS configuration, which significantly impacts security and trustworthiness. Security headers are present but insufficient without proper SSL. No privacy, cookie, or terms of service policies are found, indicating poor compliance with privacy regulations. Overall, the website's digital maturity is low, with poor content quality and minimal user engagement features.
Detected Technologies
12 urgent findings need attention
4 critical · 8 high
- + 4 more findings in the full report below
Keep kerstin-schleicher.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
1 finding
95/100
GDPR Compliance
6 findings
0/100
NIS2 Compliance
8 findings
5/100
Email Security
1 finding
50/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Lind & Quittek GmbH appears to be a small service provider or business-to-business company with a customer portal or menu interface. The domain registration is consistent with the company information, but the lack of active content and domain protection measures suggests limited online presence or a transitional state. No analytics or marketing tools are detected, and no social media or phone contact information is provided beyond a general email and physical address. The company likely targets existing customers rather than new client acquisition through this domain. The partnership with quadrate.media is evident from branding and email contact, indicating a possible service or hosting relationship.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The security posture is weak due to the absence of a valid SSL certificate and HTTPS support, despite the presence of several security headers such as Content Security Policy, X-Frame-Options, and X-XSS-Protection. The domain lacks DNSSEC and CAA records, and no domain protection locks are enabled, increasing risk of domain hijacking or spoofing. No incident response or vulnerability disclosure information is available. The site does not collect user data via forms, reducing exposure but also limiting functionality. Overall, the security maturity is low and requires urgent improvements to meet basic web security standards.
Strategic Recommendations
Priority Actions for Security Improvement
Obtain and deploy a valid SSL/TLS certificate to enable HTTPS and secure user connections.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
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
Insufficient contact information
MEDIUMGDPR requires organizations to provide clear contact details
EU business without adequate privacy measures
CRITICALEU businesses are subject to strict GDPR requirements
No HTTPS encryption
CRITICALGDPR requires appropriate security measures for personal data
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No HTTPS encryption
CRITICALNIS2 requires appropriate technical measures including encryption
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 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
Email Security Check Incomplete
MEDIUMSome email security checks timed out
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
No HTTPS Encryption
CRITICALWebsite does not use HTTPS encryption, making all data transmission vulnerable to interception
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
High-Risk Service Exposed: FTP
HIGHPort 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
Service Exposed: SSH
MEDIUMPort 22 (SSH) is publicly accessible - SSH - Secure but can be brute-forced
How does kerstin-schleicher.de compare?
kerstin-schleicher.de 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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