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Is oliver-lehne.de a Scam? Security Check Results - Erfolgreicher Vermieten Reviews

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Is oliver-lehne.de Safe? Security Analysis for Erfolgreicher Vermieten

https://oliver-lehne.de

Check if oliver-lehne.de is a scam or legitimate. Free security scan and reviews.

Real EstateGermanysmall
Webflow CMSjQuery 3.5.1Google reCAPTCHA v2Matomo AnalyticsLite Vimeo Embed+3 more
Analyzed 10/12/2025Completed 1:47:41 AM
62
Security Score
MEDIUM RISK
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Domainoliver-lehne.de
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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

Erfolgreicher Vermieten is a specialized German consulting and coaching business focused on helping private and commercial vacation rental property owners optimize their rental operations. The company offers tailored coa… Unlock the full Guard report to read the complete analysis.

Detected Technologies

Webflow CMSjQuery 3.5.1Google reCAPTCHA v2Matomo AnalyticsLite Vimeo EmbedCCM19 Cookie Consent ManagerFinsweet Attributes (numbercount, socialshare)Feedspring Google Reviews

Security Headers

5 findings

60/100

GDPR Compliance

4 findings

40/100

NIS2 Compliance

9 findings

2/100

Email Security

4 findings

70/100

🧠AI Business Intelligence

Technology stack, business insights, and market analysis powered by AI.

Snapshot shown below. Unlock the full AI report for complete market insights, audience profiling, and step-by-step recommendations.

Business Intelligence

Market & Strategic Analysis

The business operates in the Real Estate and Hospitality sectors, focusing on vacation rental hosts in Germany. Its competitive advantage lies in its niche specialization, long-standing market presence, and comprehensive service offerings including coaching, certification, and digital marketing tools. Revenue streams likely include coaching fees, web design services, and affiliate partnerships with tool providers. The target customers are private and commercial vacation rental owners aiming to increase occupancy and profitability. The company maintains partnerships with certification bodies and booking platforms, enhancing its ecosystem. Growth indicators include a strong online presence, active content marketing via blogs and newsletters, and customer testimonials. Strategic observations suggest a focus on digital transformation and quality assurance in vacation rental management.

Security Posture Analysis

Comprehensive Security Assessment

The website exhibits a good security maturity level with enforced HTTPS, use of Google reCAPTCHA to prevent spam, and a comprehensive cookie consent mechanism aligned with GDPR. No exposed sensitive data or vulnerable libraries were found in the HTML content. However, the absence of explicit HTTP security headers such as Content Security Policy (CSP), HSTS, and X-Frame-Options indicates room for improvement. There is no published security policy or incident response contact information, which could be enhanced to improve transparency and readiness. The site does not provide a vulnerability disclosure policy or security.txt file, which are best practices for mature security postures. Overall, the security posture is solid for a small consulting business but could benefit from formalized policies and additional technical controls.

Strategic Recommendations

Priority Actions for Security Improvement

1

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Observations

AI-powered comprehensive website and business analysis.

A preview of your strategic observations is visible. Upgrade to unlock the full competitive positioning, trust signals, and branding checklist.

AI-Enhanced Website Analysis

Business Insights

Company:

Erfolgreicher Vermieten

Description:

Unterstützung für private und gewerbliche Gastgeber bei der Vermarktung und Organisation von Ferienimmobilien mit Coaching, Mustervorlagen, Tools und Zertifizierung.

Key Services:
Vermieter-CoachingMustervorlagen & ChecklistenProfessionelles WebdesignQualitätsgastgeber Digital ZertifizierungExklusive Rabatte für Tools und Dienstleistungen
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
Webflow CMSjQuery 3.5.1Google reCAPTCHA v2Matomo AnalyticsLite Vimeo EmbedCCM19 Cookie Consent ManagerFinsweet Attributes (numbercount, socialshare)Feedspring Google Reviews
Frameworks:
Webflow
Platforms:
Webflow Hosting
Performance:

fast

Mobile:

excellent

Accessibility:

good

SEO:

good

Security Assessment

Security Score:
85/100
Best Practices:
  • HTTPS enforced (implied by canonical URL and Google reCAPTCHA usage)
  • Use of Google reCAPTCHA for form spam protection
  • Cookie consent with granular user control
  • No exposed sensitive data found in HTML

Analytics & Tracking

Services:
Matomo
Tracking Level:moderate
Privacy Compliance:good

Advertising & Marketing

Tracking Pixels:
Matomo Analytics
Marketing Tools:
Google reCAPTCHAFeedspring Google ReviewsFinsweet Attributes
Transparency Level:good

Website Quality Assessment

Design Quality:excellent
User Experience:excellent
Content Relevance:excellent
Navigation Clarity:excellent
Professionalism:excellent
Trustworthiness:high

Key Observations

1

Website is professionally designed and well-structured.

🛡️Security Headers

HTTP security headers analysis and recommendations.

Some header findings are shown. Unlock to see the full checklist, impacted endpoints, and remediation guidance.

Security Headers

HTTP security headers analysis

60/100
Score

Missing X-Content-Type-Options header

MEDIUM

Prevents MIME type sniffing Unlock the full report to read the complete fix.

Missing X-XSS-Protection header

MEDIUM

Legacy XSS protection (deprecated but still recommended) Unlock the full report to read the complete fix.

Missing Referrer-Policy header

LOW

Controls referrer information sent with requests Unlock the full report to read the complete fix.

Missing Permissions-Policy header

MEDIUM

Controls browser features and APIs Unlock the full report to read the complete fix.

Sensitive data may be cached

LOW

Cache-Control header should include "no-store" for sensitive pages Unlock the full report to read the complete fix.

👤GDPR Compliance

Privacy and data protection assessment under GDPR regulations.

Preview of GDPR checkpoints is visible. Unlock to reveal full evidence, policy excerpts, and DPIA guidance.

GDPR Compliance

Privacy and data protection assessment

40/100
Score

No Cookie Policy found

HIGH

GDPR requires clear information about cookie usage Unlock the full report to read the complete fix.

No Cookie Consent Banner found

HIGH

GDPR requires explicit consent for non-essential cookies Unlock the full report to read the complete fix.

No Data Protection Officer mentioned

LOW

Large organizations may need to designate a DPO under GDPR Unlock the full report to read the complete fix.

EU business without adequate privacy measures

CRITICAL

EU businesses are subject to strict GDPR requirements Unlock the full report to read the complete fix.

GDPR Compliance Analysis

Privacy Policy85% confidence
Cookie Policy0% confidence
Contact Information Found90% confidence
emailphone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

You can see headline NIS2 checks. Upgrade to access the full control mapping, severity breakdown, and remediation plan.

NIS2 Compliance

Network & Information Security Directive

2/100
Score

No information security framework found

HIGH

NIS2 requires documented cybersecurity and information security measures Unlock the full report to read the complete fix.

No vulnerability disclosure policy

MEDIUM

NIS2 encourages coordinated vulnerability disclosure Unlock the full report to read the complete fix.

No security policy documentation found

HIGH

NIS2 requires documented cybersecurity governance and risk management Unlock the full report to read the complete fix.

No incident response procedures found

HIGH

NIS2 requires documented incident response and business continuity plans Unlock the full report to read the complete fix.

No business continuity planning found

MEDIUM

NIS2 emphasizes operational resilience and business continuity Unlock the full report to read the complete fix.

No security contact information

HIGH

NIS2 requires clear incident reporting channels Unlock the full report to read the complete fix.

No vulnerability reporting mechanism

MEDIUM

Clear vulnerability reporting supports coordinated disclosure Unlock the full report to read the complete fix.

No NIS2 reference found

LOW

Consider explicitly mentioning NIS2 compliance efforts Unlock the full report to read the complete fix.

Critical sector without clear security compliance

HIGH

Detected sectors: energy, transport, digital Unlock the full report to read the complete fix.

📧Email Security

SPF, DKIM, and DMARC validation and email security assessment.

Quick view of email authentication checks is provided. Unlock to uncover full DNS evidence, record diffs, and fix scripts.

Email Security

SPF, DKIM, and DMARC validation

70/100
Score

No DKIM record found

MEDIUM

DKIM adds cryptographic signatures to emails Unlock the full report to read the complete fix.

No BIMI Record

LOW

BIMI displays brand logos in email clients Unlock the full report to read the complete fix.

No MTA-STS Policy

MEDIUM

MTA-STS enforces TLS for email delivery Unlock the full report to read the complete fix.

No TLS-RPT Record

LOW

TLS-RPT provides reporting for email TLS issues Unlock the full report to read the complete fix.

SPF
Sender Policy Framework
DKIM
DomainKeys Identified Mail
DMARC
Domain-based Message Authentication
MX Records
Mail Exchange Records
BIMI
Brand Indicators
MTA-STS
Mail Transfer Agent Security
TLS-RPT
TLS Reporting
DNSSEC
DNS Security
SPF Details
Record:
v=spf1 include:_spf.mlsend.com include:agenturserver.de ~all
DNS Lookups:2/10
Policy:~all

🏆SSL/TLS Security

Certificate validity and encryption analysis.

This is a teaser of the TLS audit. Unlock to view certificate chains, cipher support tables, and remediation steps.

SSL/TLS Security

Certificate validity and encryption analysis

75/100
Score

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 38 days Unlock the full report to read the complete fix.

Weak SSL Key Length

HIGH

SSL certificate uses 256-bit key, which is considered weak Unlock the full report to read the complete fix.

Partial SSL/TLS Assessment

LOW

Completed 2 of 4 security checks due to time constraints Unlock the full report to read the complete fix.

Certificate Details

Subject:www.erfolgreicher-vermieten.de
Issuer:WE1
Valid Until:11/19/2025 (38 days)
SANs:www.erfolgreicher-vermieten.de

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

Unlock the full DNS posture audit to reveal misconfigurations, zone records, and actionable fixes.

DNS Health

DNS configuration and security assessment

60/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain Unlock the full report to read the complete fix.

CAA Records Not Configured

LOW

Certificate Authority Authorization (CAA) records not found Unlock the full report to read the complete fix.

Domain Transfer Lock Not Enabled

MEDIUM

Domain can be transferred without authorization Unlock the full report to read the complete fix.

Domain Delete Lock Not Enabled

LOW

Domain can be deleted without additional verification Unlock the full report to read the complete fix.

No DMARC Record

MEDIUM

DMARC policy not configured Unlock the full report to read the complete fix.

Domain Registration Details

Protection Level
none
Suspicious Indicators Detected
  • No domain protection locks enabled

DNS Records

A Records:198.202.211.1
Name Servers:
ns01.agenturserver.co
ns01.agenturserver.de
ns01.agenturserver.it
MX Records:
20: mx3.agenturserver.de
10: mx1.agenturserver.de
50: mx4.agenturserver.de
10: mx2.agenturserver.de

DNSSEC Status

DNSSEC Not Enabled

Network Security

Port scanning and network exposure analysis.

See a glimpse of exposed services. Unlock to access full port inventories, CVE lookups, and mitigation priorities.

Network Security

Port scanning and network exposure analysis

100/100
Score

Good Network Security Posture

LOW

No unnecessary services detected on common risky ports Unlock the full report to read the complete fix.

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Unlock to view the complete technical breakdown, stack fingerprinting, and hardening checklist.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

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