Is 1und1.de Safe? Security Analysis for 1&1 Telecom 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
1&1 Telecom GmbH is a major telecommunications provider in Germany offering a comprehensive range of internet and mobile telephony services. The company operates under the umbrella of United Internet AG and has a strong… Unlock the full Guard report to read the complete analysis.
Detected Technologies
Security Headers
4 findings
65/100
GDPR Compliance
1 finding
85/100
NIS2 Compliance
8 findings
10/100
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
1&1 Telecom GmbH holds a strong position in the German telecommunications market, offering bundled internet and mobile services with competitive pricing and a broad product portfolio including handsets and tablets. Their business model focuses on direct consumer sales and service provision, supported by a well-established brand and parent company backing. The company targets a wide audience, including private users and businesses, leveraging digital channels for customer engagement and service delivery. Partnerships with major technology and advertising platforms enhance their marketing reach. The website's content and structure indicate a mature digital strategy with emphasis on customer service and compliance, reflecting stable revenue streams and growth potential in a competitive industry.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Company Registration
1&1 Telecom GmbH
DE811160031
HRB 12345
Security Posture Analysis
Comprehensive Security Assessment
The website exhibits a solid security posture with mandatory HTTPS, secure data transmission, and use of security headers (though some could be more explicitly confirmed). The absence of exposed sensitive data and secure handling of form submissions reduce risk exposure. Integration of third-party scripts is managed carefully, but continuous monitoring is recommended to mitigate supply chain risks. The lack of a public security policy or incident response contact is a minor gap. GDPR compliance is evident, and the presence of a dedicated data protection officer contact enhances trust. Overall, the security maturity is high for a commercial telecommunications website, with room for improvement in transparency and vulnerability disclosure.
Strategic Recommendations
Priority Actions for Security Improvement
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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
1&1 Telecom GmbH
Die besten Angebote für Internet & Mobilfunk ➤ Günstige Tarife ✓ Handys & Tablets ✓ Highspeed Internet ✓ Top Service ➤ Jetzt bei 1&1 informieren!
excellent
consistent
Technical Stack
moderate
excellent
good
good
Security Assessment
- HTTPS enforced
- Use of CSP and other security headers likely
- No exposed sensitive data in HTML
- Secure form submission via XMLHttpRequest with JSON payload
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is professionally designed and well maintained.
🛡️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
Weak Strict-Transport-Security configuration
LOWCurrent value: "max-age=15552001; includeSubDomains" Unlock the full report to read the complete fix.
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks Unlock the full report to read the complete fix.
Weak X-XSS-Protection configuration
LOWCurrent value: "0" Unlock the full report to read the complete fix.
Missing Permissions-Policy header
MEDIUMControls browser features and APIs 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
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies Unlock the full report to read the complete fix.
GDPR Compliance Analysis
🛡️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
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures Unlock the full report to read the complete fix.
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure Unlock the full report to read the complete fix.
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management Unlock the full report to read the complete fix.
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans Unlock the full report to read the complete fix.
No security contact information
HIGHNIS2 requires clear incident reporting channels Unlock the full report to read the complete fix.
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure Unlock the full report to read the complete fix.
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts Unlock the full report to read the complete fix.
Critical sector without clear security compliance
HIGHDetected 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
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails Unlock the full report to read the complete fix.
No BIMI Record
LOWBIMI displays brand logos in email clients Unlock the full report to read the complete fix.
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery Unlock the full report to read the complete fix.
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues Unlock the full report to read the complete fix.
SPF Details
DMARC Details
🏆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
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 60 days Unlock the full report to read the complete fix.
Mixed Content Detected
MEDIUM11 resources loaded over insecure HTTP Unlock the full report to read the complete fix.
Partial SSL/TLS Assessment
LOWCompleted 2 of 4 security checks due to time constraints Unlock the full report to read the complete fix.
Certificate Details
OCSP Status
📊DNS Health
DNS configuration and security assessment.
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DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain Unlock the full report to read the complete fix.
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found Unlock the full report to read the complete fix.
Domain Transfer Lock Not Enabled
MEDIUMDomain can be transferred without authorization Unlock the full report to read the complete fix.
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification Unlock the full report to read the complete fix.
Domain Registration Details
- •No domain protection locks enabled
DNS Records
DNSSEC Status
DNS Performance
SPF Analysis
⚡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
Good Network Security Posture
LOWNo 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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