Is 51cto.com Safe? Security Analysis for 51cto.com
Check if 51cto.com is a scam or legitimate. Free security scan and reviews.
AI Summary
The website 51cto.com appears to be a mature domain registered since 2005 under Alibaba Cloud Computing (Beijing) Co., Ltd. registrar. However, the provided HTML content is minimal and obfuscated, indicating that the site content is likely blocked or protected by a Web Application Firewall (WAF) or security mechanism. Due to this, no meaningful metadata, contact information, or business content could be extracted. The domain age and registrar suggest legitimacy, but the lack of accessible content limits the ability to assess the business model, services, or compliance posture. Technically, the site uses JavaScript but no other detectable frameworks or CMS. Security headers and SSL configuration details are not available, and no privacy or cookie policies were found. Overall, the site’s security posture and privacy compliance cannot be fully evaluated due to content access restrictions.
Detected Technologies
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Given the domain age and registrar, 51cto.com likely operates in the technology sector, possibly providing IT or developer-related content or services. The absence of visible content prevents detailed analysis of market positioning, revenue streams, or partnerships. The domain’s longevity suggests an established presence in its market. No business contact details or certifications were found to support credibility or trust. The hosting by Alibaba Cloud indicates a robust infrastructure provider but does not clarify the business ownership or operational details.
Security Posture Analysis
Comprehensive Security Assessment
The security posture assessment is limited by the lack of accessible content. No security headers or SSL details were provided, and DNSSEC is not enabled. The obfuscated JavaScript and minimal HTML suggest a WAF or security challenge is in place, which is a positive security control but also restricts analysis. No vulnerability disclosures, incident response contacts, or security policies were found. The domain registration is consistent and not privacy protected, which aligns with typical business practices. Recommendations include enabling DNSSEC, publishing security and privacy policies, and improving transparency.
Strategic Recommendations
Priority Actions for Security Improvement
Implement and verify HTTPS with strong SSL/TLS configuration and publish related security headers.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Generic Detected
Minimal HTML content with obfuscated JavaScript and no visible page content indicates possible WAF or security challenge blocking full content access.
Analysis results may be incomplete. For accurate analysis, please contact guard@offseq.com
Business Insights
poor
moderate
Technical Stack
Security Assessment
0Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website content is minimal and likely blocked by a WAF or security mechanism.
🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Strict-Transport-Security header
HIGHForces HTTPS connections
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Missing Referrer-Policy header
LOWControls referrer information sent with requests
Missing Permissions-Policy header
MEDIUMControls browser features and APIs
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 Privacy Policy found
HIGHGDPR requires a clear and accessible privacy policy
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
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
📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
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
DKIM Selectors Found
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 Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
Domain Registration Details
DNS Records
DNSSEC Status
DNS Performance
⚡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
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings