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Is immowelt.de a Scam? Security Check Results - AVIV Germany GmbH

immowelt.de Security Report Summary

immowelt.de received a security score of 65 out of 100 in Guard's comprehensive security analysis, classified as "Moderate Risk". This report covers AVIV Germany GmbH's website security posture. AVIV Germany GmbH operates in the Real Estate industry in Germany.

Immowelt.de is a leading German real estate portal operated by AVIV Germany GmbH, offering a comprehensive platform for property search, rental, purchase, and related services such as financing and moving assistance. The website targets private individuals and real estate professionals seeking residential and commercial properties across Germany. It holds a strong market position, evidenced by multiple awards and partnerships with reputable service providers like SCHUFA and Interhyp. Technically, the website employs modern web technologies including React and integrates a consent management platform (Usercentrics) for GDPR compliance. Hosting is managed via Amazon AWS, ensuring reliable performance and scalability. The site is well-optimized for mobile devices and accessibility, with a clean, professional design and clear navigation. From a security perspective, immowelt.de enforces HTTPS, implements key security headers, and avoids exposing sensitive data in its HTML content. However, explicit security policies and incident response information are not publicly available, representing an area for improvement. Privacy compliance is partially addressed through the use of a consent management platform, but the absence of a clearly accessible privacy policy and terms of service reduces overall compliance confidence. Overall, immowelt.de presents a trustworthy and professional online presence with strong business credibility and technical maturity. Strategic enhancements in privacy transparency and security documentation would further strengthen its risk posture and user trust.

The security scan identified 31 findings across security headers, SSL/TLS, DNS health, email security, GDPR compliance, and NIS2 compliance analysis modules.

Technologies detected: React, JavaScript, Usercentrics CMP, Google Tag Manager, AWS DNS.

About this security scan

Guard performs automated security assessments of websites by analyzing SSL/TLS certificates, HTTP security headers, DNS configuration, email authentication protocols (SPF, DKIM, DMARC), GDPR compliance indicators, NIS2 directive compliance, network exposure, and AI-powered business intelligence. Each report provides domain-specific findings, risk scores, and actionable recommendations.

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Is immowelt.de Safe? Security Analysis for AVIV Germany GmbH

https://immowelt.de

Check if immowelt.de is a scam or legitimate. Free security scan and reviews.

Real EstateGermanylarge
ReactJavaScriptUsercentrics CMPGoogle Tag ManagerAWS DNS
Analyzed 10/13/2025Completed 12:06:15 PM5mo ago
65
Security Score
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Domainimmowelt.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

Immowelt.de is a leading German real estate portal operated by AVIV Germany GmbH, offering a comprehensive platform for property search, rental, purchase, and related services such as financing and moving assistance. The website targets private individuals and real estate professionals seeking residential and commercial properties across Germany. It holds a strong market position, evidenced by multiple awards and partnerships with reputable service providers like SCHUFA and Interhyp. Technically, the website employs modern web technologies including React and integrates a consent management platform (Usercentrics) for GDPR compliance. Hosting is managed via Amazon AWS, ensuring reliable performance and scalability. The site is well-optimized for mobile devices and accessibility, with a clean, professional design and clear navigation. From a security perspective, immowelt.de enforces HTTPS, implements key security headers, and avoids exposing sensitive data in its HTML content. However, explicit security policies and incident response information are not publicly available, representing an area for improvement. Privacy compliance is partially addressed through the use of a consent management platform, but the absence of a clearly accessible privacy policy and terms of service reduces overall compliance confidence. Overall, immowelt.de presents a trustworthy and professional online presence with strong business credibility and technical maturity. Strategic enhancements in privacy transparency and security documentation would further strengthen its risk posture and user trust.

Detected Technologies

ReactJavaScriptUsercentrics CMPGoogle Tag ManagerAWS DNS

8 urgent findings need attention

8 high

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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

4 findings

60/100

GDPR Compliance

3 findings

68/100

NIS2 Compliance

9 findings

2/100

Email Security

6 findings

55/100

🧠AI Business Intelligence

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

Business Intelligence

Market & Strategic Analysis

Immowelt.de operates as a major player in the German real estate market, providing a digital marketplace that connects buyers, renters, sellers, and real estate professionals. Its business model revolves around listing services, advertising, and value-added offerings such as financing calculators and credit reports. The portal's competitive advantage lies in its comprehensive service ecosystem, brand recognition, and strategic partnerships. Revenue streams likely include advertising fees, premium listing services, and referral commissions from financing partners. The target customer segments include private individuals seeking housing and professionals in the real estate sector. Growth indicators include repeated industry awards and a broad service portfolio. The company maintains a professional partnership ecosystem but does not publicly disclose parent or subsidiary relationships.

Extracted Contact Information

Marketing Intelligence Data

Security Posture Analysis

Comprehensive Security Assessment

Immowelt.de demonstrates a mature security posture with enforced HTTPS, robust security headers, and secure form implementations. The use of a consent management platform indicates attention to privacy compliance. No vulnerabilities or exposed sensitive data were detected in the analyzed content. However, the lack of published security policies, incident response procedures, and vulnerability disclosure mechanisms suggests room for improvement in transparency and readiness. Compliance with GDPR is partially evident but could be enhanced by providing comprehensive privacy documentation and clear contact channels for security incidents. Overall, the site balances strong technical security with gaps in policy communication.

Strategic Recommendations

Priority Actions for Security Improvement

1

Publish a comprehensive and easily accessible privacy policy detailing data processing and user rights.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

AVIV Germany GmbH

Description:

Aktuelle Immobilien, schöne Wohnungen und Häuser zur Miete oder Kauf in ganz Deutschland. Jetzt online, schnell & einfach, persönlichen Wohntraum finden!

Key Services:
Property search for rent and purchaseNew building projectsCommercial real estateReal estate listing and advertisingFinancing offers and calculatorsMoving servicesPrice statistics and valuation toolsSCHUFA credit reports
Content Quality:

excellent

Branding:

consistent

Technical Stack

Technologies:
ReactJavaScriptUsercentrics CMPGoogle Tag ManagerAWS DNS
Frameworks:
React
Performance:

fast

Mobile:

excellent

Accessibility:

good

SEO:

good

Security Assessment

Security Score:
85/100
Best Practices:
  • HTTPS enforced
  • Use of security headers
  • No exposed sensitive data in HTML
  • Secure forms with aria attributes

Analytics & Tracking

Services:
Google Tag Manager
Tracking Level:moderate
Privacy Compliance:basic

Advertising & Marketing

Tracking Pixels:
Usercentrics CMP
Marketing Tools:
Usercentrics Consent Management Platform
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 a professional real estate portal targeting German market.

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

60/100
Score

Missing Content-Security-Policy header

HIGH

Controls resources the browser is allowed to load

Missing X-XSS-Protection header

MEDIUM

Legacy XSS protection (deprecated but still recommended)

Missing Referrer-Policy header

LOW

Controls referrer information sent with requests

Missing Permissions-Policy header

MEDIUM

Controls browser features and APIs

👤GDPR Compliance

Privacy and data protection assessment under GDPR regulations.

GDPR Compliance

Privacy and data protection assessment

68/100
Score

No Cookie Consent Banner found

HIGH

GDPR requires explicit consent for non-essential cookies

No Data Protection Officer mentioned

LOW

Large organizations may need to designate a DPO under GDPR

Privacy policy may not be GDPR compliant

MEDIUM

Privacy policy lacks explicit GDPR compliance elements

GDPR Compliance Analysis

Privacy Policy85% confidence
Cookie Policy85% confidence
Contact Information Found90% confidence
phone

🛡️NIS2 Compliance

Network & Information Security Directive compliance assessment.

NIS2 Compliance

Network & Information Security Directive

2/100
Score

No information security framework found

HIGH

NIS2 requires documented cybersecurity and information security measures

No vulnerability disclosure policy

MEDIUM

NIS2 encourages coordinated vulnerability disclosure

No security policy documentation found

HIGH

NIS2 requires documented cybersecurity governance and risk management

No incident response procedures found

HIGH

NIS2 requires documented incident response and business continuity plans

No business continuity planning found

MEDIUM

NIS2 emphasizes operational resilience and business continuity

No security contact information

HIGH

NIS2 requires clear incident reporting channels

No vulnerability reporting mechanism

MEDIUM

Clear vulnerability reporting supports coordinated disclosure

No NIS2 reference found

LOW

Consider explicitly mentioning NIS2 compliance efforts

Critical sector without clear security compliance

HIGH

Detected 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

55/100
Score

Complex SPF record

LOW

Too many include statements can cause lookup limits

DMARC not enforcing

MEDIUM

DMARC policy is set to "none"

No DKIM record found

MEDIUM

DKIM adds cryptographic signatures to emails

No BIMI Record

LOW

BIMI displays brand logos in email clients

No MTA-STS Policy

MEDIUM

MTA-STS enforces TLS for email delivery

No TLS-RPT Record

LOW

TLS-RPT provides reporting for email TLS issues

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 a ip4:87.253.233.68 ip4:212.34.186.217 ip4:212.34.186.218 ip4:212.34.186.225 ip4:129.41.76.79 ip4:129.41.76.78 ip4:129.41.77.4 ip4:129.41.77.61 ip4:85.13.151.11 ip4:88.217.186.10 ip4:88.217.186.11 ip4:88.217.186.19 ip4:88.217.186.99 a:viamailgw.viafon.de include:amazonses.com include:spf.mailjet.com include:_spf.google.com include:amazonses.com include:spf.mandrillapp.com include:_spf.salesforce.com -all
DNS Lookups:8/10
Policy:-all
DMARC Details
Policy:none
Aggregate Reports:dmarc@aviv-group.com

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

82/100
Score

Weak Protocols Supported

HIGH

Server supports weak protocols: TLSv1.1

Certificate Transparency Not Implemented

LOW

Certificate is not logged in Certificate Transparency logs

Partial SSL/TLS Assessment

LOW

Completed 3 of 4 security checks due to time constraints

Protocol Support

TLSv1.2TLSv1.3TLSv1.1

OCSP Status

OCSP Stapling Enabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

65/100
Score

DNSSEC Not Enabled

MEDIUM

DNSSEC is not configured for this domain

CAA Records Not Configured

LOW

Certificate Authority Authorization (CAA) records not found

Domain Transfer Lock Not Enabled

MEDIUM

Domain can be transferred without authorization

Domain Delete Lock Not Enabled

LOW

Domain can be deleted without additional verification

DMARC Policy Set to None

LOW

DMARC is configured but not enforcing any policy

Domain Registration Details

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

DNS Records

A Records:3.174.113.54, 3.174.113.108, 3.174.113.44, 3.174.113.10
Name Servers:
ns-1233.awsdns-26.org
ns-1797.awsdns-32.co.uk
ns-260.awsdns-32.com
ns-857.awsdns-43.net
MX Records:
1: aspmx.l.google.com
10: alt3.aspmx.l.google.com
10: alt4.aspmx.l.google.com
5: alt1.aspmx.l.google.com
5: alt2.aspmx.l.google.com
SOA:Serial: 1, TTL: 86400s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:118ms

SPF Analysis

SPF Record:
v=spf1 a ip4:87.253.233.68 ip4:212.34.186.217 ip4:212.34.186.218 ip4:212.34.186.225 ip4:129.41.76.79 ip4:129.41.76.78 ip4:129.41.77.4 ip4:129.41.77.61 ip4:85.13.151.11 ip4:88.217.186.10 ip4:88.217.186.11 ip4:88.217.186.19 ip4:88.217.186.99 a:viamailgw.viafon.de include:amazonses.com include:spf.mailjet.com include:_spf.google.com include:amazonses.com include:spf.mandrillapp.com include:_spf.salesforce.com -all

Network Security

Port scanning and network exposure analysis.

Network Security

Port scanning and network exposure analysis

100/100
Score

Good Network Security Posture

LOW

No unnecessary services detected on common risky ports

How does immowelt.de compare?

See how immowelt.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

The website is built on a modern React framework with asynchronous JavaScript loading and optimized asset delivery, contributing to fast performance and excellent mobile responsiveness. Hosting on AWS DNS infrastructure supports scalability and reliability. The integration of Usercentrics CMP and Google Tag Manager reflects a mature approach to privacy and analytics. Accessibility features such as ARIA attributes and keyboard navigation support are present. SEO is supported by comprehensive meta tags and Open Graph data. Technical risks are minimal, with no outdated or vulnerable libraries detected. Opportunities exist to further modernize by adopting progressive web app features and enhancing privacy policy integration.
Professional PDF & Marketing Data

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PDF Report & Export

PDF download, email delivery, unlock code

39.90 €one-time • Incl. 21% VAT

Marketing Intelligence

Contact emails, phone numbers & warm leads

49.90 €one-time • Incl. 21% VAT

Plan Comparison

FeaturePDF ReportMarketing+
Full security analysis
Professional PDF export
Email delivery
Lifetime access + unlock code
Contact emails & phones
Marketing outreach data

Already purchased?

Order summary

Domainimmowelt.de
Access tierFull report or marketing add-on

Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.

VisaMastercardApple PayGoogle Pay

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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