Is united-internet.de Safe? Security Analysis for United Internet AG
https://united-internet.deCheck if united-internet.de is a scam or legitimate. Free security scan and reviews.
Below Technology avg (72)
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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
United Internet AG is a leading European internet specialist operating a broad portfolio of internet access, cloud applications, email services, domain registration, and media brands. The company serves both consumer and business markets with approximately 29 million customer contracts and 39 million free accounts. Their market position is strong, supported by multiple well-known subsidiaries such as 1&1, GMX, WEB.DE, and IONOS. The website reflects a mature enterprise with comprehensive investor relations and corporate governance disclosures. Technically, the website is built on TYPO3 CMS, leveraging modern web standards including HTML5 video and responsive design. The site is well-optimized for mobile and accessibility, with good SEO practices and a moderate performance profile. Hosting appears to be managed internally or through trusted infrastructure, with no signs of performance bottlenecks or outdated technology. From a security perspective, the site enforces HTTPS and implements a cookie consent mechanism with opt-in for analytics, demonstrating GDPR compliance. No critical vulnerabilities or exposed sensitive data were detected. However, explicit security policies and incident response contacts are not publicly available, which could be improved to enhance transparency and trust. Overall, the website is professional, trustworthy, and compliant with privacy regulations. The domain WHOIS data aligns with the business claims, reinforcing legitimacy. Strategic recommendations include publishing dedicated security and incident response policies and enhancing security headers to further strengthen the security posture.
Detected Technologies
7 urgent findings need attention
7 high
Keep united-internet.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
3 findings
70/100
GDPR Compliance
2 findings
83/100
NIS2 Compliance
9 findings
2/100
Email Security
5 findings
65/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
United Internet AG operates in the technology and telecommunications sectors, focusing on internet services and cloud applications. Their business model centers on providing internet access and digital services to a large European customer base, both consumers and enterprises. Revenue streams include subscription services, domain registrations, cloud hosting, and media advertising. The company maintains a strong brand portfolio and international presence across multiple countries. Growth indicators include recent investor news and stock market presence. The partnership ecosystem includes multiple subsidiary brands and a dedicated integrity line for whistleblowing. Strategic observations highlight a focus on innovation, internationalization, and sustainability.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a mature security posture with HTTPS enforcement and a GDPR-compliant cookie consent mechanism. The absence of exposed sensitive data and use of modern JavaScript libraries indicate good security hygiene. However, the lack of a publicly available security policy and incident response contact reduces transparency. No security.txt file or vulnerability disclosure program was found. Security headers are not explicitly detected, suggesting room for improvement. Overall, the security posture is strong but could benefit from enhanced documentation and header implementation to meet best practices fully.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a dedicated security policy page outlining security practices and commitments.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
United Internet AG
Die United Internet AG ist mit seinen Marken 1&1, GMX, WEB.DE, mail.com, IONOS, Arsys, Fasthosts, InterNetX, united-domains, Sedo und United Internet Media ein führender europäischer Internet-Spezialist.
excellent
consistent
Technical Stack
moderate
good
good
good
Security Assessment
- HTTPS enforced
- Cookie consent with opt-in
- No exposed sensitive data in HTML
- No visible vulnerable libraries
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
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
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 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
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
Critical sector without clear security compliance
HIGHDetected sectors: energy, transport, banking, 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
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
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
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
OCSP Stapling Not Enabled
LOWOCSP stapling improves performance and privacy
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
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 united-internet.de compare?
See how united-internet.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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