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Is 0cn.de a Scam? Security Check Results

0cn.de Security Report Summary

0cn.de received a security score of 62 out of 100 in Guard's comprehensive security analysis, classified as "Moderate Risk". 0cn.de operates in the Technology industry in Germany.

0cn.de is a German-based URL shortening and QR code generation service focused on privacy and security. It offers features such as malware and phishing link checks, password protection, link expiration, and deactivation links. The service targets general users seeking secure and privacy-friendly short URLs. The website is professionally designed with clear navigation and good content relevance. Technically, it uses a custom platform with jQuery and JavaScript libraries, delivering moderate performance and basic mobile optimization. Security posture is strong with HTTPS enforcement and link safety features, though some security headers and explicit policies are missing. Privacy compliance is good with a comprehensive privacy policy but lacks a cookie consent mechanism. Business credibility is supported by consistent WHOIS data and transparent service offerings.

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

Technologies detected: jQuery 3.7.1, jQuery Migrate 3.5.2, jQuery UI 1.14.1, JavaScript, CSS, HTML5.

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 0cn.de Safe? Security Analysis for Kurzlinks & QR-Codes erstellen

https://0cn.de

Check if 0cn.de is a scam or legitimate. Free security scan and reviews.

TechnologyGermanysmall
jQuery 3.7.1jQuery Migrate 3.5.2jQuery UI 1.14.1JavaScriptCSS+1 more
Analyzed 10/31/2025Completed 6:35:44 AM4mo ago
62
Security Score
MEDIUM RISK

Below Technology avg (72)

10,000+

Domains scanned

500+

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Domain0cn.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

0cn.de is a German-based URL shortening and QR code generation service focused on privacy and security. It offers features such as malware and phishing link checks, password protection, link expiration, and deactivation links. The service targets general users seeking secure and privacy-friendly short URLs. The website is professionally designed with clear navigation and good content relevance. Technically, it uses a custom platform with jQuery and JavaScript libraries, delivering moderate performance and basic mobile optimization. Security posture is strong with HTTPS enforcement and link safety features, though some security headers and explicit policies are missing. Privacy compliance is good with a comprehensive privacy policy but lacks a cookie consent mechanism. Business credibility is supported by consistent WHOIS data and transparent service offerings.

Detected Technologies

jQuery 3.7.1jQuery Migrate 3.5.2jQuery UI 1.14.1JavaScriptCSSHTML5

9 urgent findings need attention

1 critical · 8 high

  • + 1 more findings in the full report below
Continuous monitoring

Keep 0cn.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

2 findings

85/100

GDPR Compliance

5 findings

28/100

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.

Business Intelligence

Market & Strategic Analysis

The company operates in the technology sector providing URL shortening and QR code services with a niche focus on security and privacy. It leverages partnerships with related shortener domains to expand reach. The business model is service-based, offering free and potentially premium features via API and apps. Target customers include individuals and businesses requiring secure short links. Growth indicators include multi-domain presence and API offerings. The company maintains a privacy-friendly stance and malware protection as competitive advantages.

Security Posture Analysis

Comprehensive Security Assessment

The website enforces HTTPS and implements malware and phishing detection on links, enhancing user safety. Password protection and link expiration features add layers of security. However, the absence of security headers like CSP and a formal vulnerability disclosure policy are gaps. Incident response is facilitated via an abuse reporting page. No exposed sensitive data or vulnerable libraries were detected. Overall, the security maturity is good but could be improved with formal policies and headers.

Strategic Recommendations

Priority Actions for Security Improvement

1

Implement security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to enhance protection against common web attacks.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Description:

0cn.de kürzt lange Links zu Kurz-URLs. Die Kurzlinks sind dank Dereferrer Funktion sowie Malware-, Phishing- und optionalem Passwortschutz sicher.

Key Services:
URL shorteningQR code generationMultilink creationEmail link creationPassword protection for linksLink expiration and access limitsAPI accessBrowser extension and mobile app
Content Quality:

good

Branding:

consistent

Technical Stack

Technologies:
jQuery 3.7.1jQuery Migrate 3.5.2jQuery UI 1.14.1JavaScriptCSSHTML5
Performance:

moderate

Mobile:

basic

Accessibility:

basic

SEO:

good

Security Assessment

Security Score:
85/100
Best Practices:
  • HTTPS enforced
  • Referrer removal (Dereferrer function)
  • Malware and phishing link scanning
  • Password protection for short links
  • Link expiration and max clicks
  • Deactivation link for URL disabling

Analytics & Tracking

Tracking Level:minimal
Privacy Compliance:good

Advertising & Marketing

Transparency Level:poor

Website Quality Assessment

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

Key Observations

1

Website is a German-based URL shortener with security and privacy features.

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🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

85/100
Score

Missing X-XSS-Protection header

MEDIUM

Legacy XSS protection (deprecated but still recommended)

Sensitive data may be cached

LOW

Cache-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

28/100
Score

No Cookie Policy found

HIGH

GDPR requires clear information about cookie usage

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

EU business without adequate privacy measures

CRITICAL

EU businesses are subject to strict GDPR requirements

GDPR Compliance Analysis

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

🛡️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: transport, digital

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📧Email Security

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

Email Security

SPF, DKIM, and DMARC validation

70/100
Score

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 -all
DNS Lookups:0/10
Policy:-all

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

72/100
Score

Weak Protocols Supported

HIGH

Server supports weak protocols: TLSv1.1

OCSP Stapling Not Enabled

LOW

OCSP stapling improves performance and privacy

Certificate Transparency Not Implemented

LOW

Certificate is not logged in Certificate Transparency logs

SSL Certificate Expires Within 90 Days

MEDIUM

SSL certificate expires in 37 days

Partial SSL/TLS Assessment

LOW

Completed 3 of 4 security checks due to time constraints

Protocol Support

TLSv1.3TLSv1.2TLSv1.1

OCSP Status

OCSP Stapling Disabled

📊DNS Health

DNS configuration and security assessment.

DNS Health

DNS configuration and security assessment

60/100
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

No DMARC Record

MEDIUM

DMARC policy not configured

Domain Registration Details

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

DNS Records

A Records:81.30.148.4
Name Servers:
ns1.antagus.de
ns2.antagus.de
MX Records:
10: mxext1.mailbox.org
10: mxext2.mailbox.org
20: mxext3.mailbox.org
SOA:Serial: 1753985614, TTL: 3600s

DNSSEC Status

DNSSEC Not Enabled

DNS Performance

Resolution Time:32ms

SPF Analysis

SPF Record:
v=spf1 -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 0cn.de compare?

See how 0cn.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 uses a custom-built platform with jQuery and related JavaScript libraries for UI and interaction. CSS and JavaScript assets are served from the same domain, indicating centralized hosting. Performance is moderate with no major blocking scripts detected. SEO is supported by meta tags and structured navigation. Accessibility is basic with some ARIA labels present. There is no indication of a CMS or third-party hosting provider. The technical stack is modern but could benefit from updated frameworks and enhanced mobile responsiveness.
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

Domain0cn.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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