Is docin.com Safe? Security Analysis for 豆丁世纪(北京)网络技术有限公司
Check if docin.com is a scam or legitimate. Free security scan and reviews.

AI Summary
Docin.com (豆丁网) is a well-established Chinese C2C document sharing platform operated by 豆丁世纪(北京)网络技术有限公司. It offers a vast library of over a billion documents spanning business, education, research reports, academic papers, and more, targeting Chinese-speaking users globally. The platform supports document upload, search, subscription to interest tags, and mobile app synchronization, positioning itself as a comprehensive knowledge sharing and reading ecosystem. The website demonstrates a mature digital infrastructure with modern JavaScript libraries and analytics tools, and it provides multiple login options including OAuth integrations with popular Chinese social platforms. Security posture is solid with HTTPS enforcement and CAPTCHA on login forms, though some security headers and explicit privacy compliance mechanisms like cookie consent banners are missing. The absence of WHOIS data is a notable anomaly but does not detract significantly from the platform's evident legitimacy and trust signals. Overall, Docin.com is a professional, content-rich platform with a strong market position in the Chinese education and document sharing sector.
Detected Technologies
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Docin.com operates in the Education and Media sectors, serving a large user base interested in document sharing and reading. Its business model is primarily C2C with freemium and paid content offerings. The platform's extensive content categories and multiple branded subdomains indicate a diversified service portfolio. The company maintains active social media presence and official certifications such as ICP licenses, enhancing credibility. The lack of WHOIS transparency is a risk factor but is mitigated by strong on-site trust indicators. The platform's partnerships and subsidiaries focus on niche content verticals like architecture, medical, and community engagement, supporting a broad ecosystem. Revenue streams likely include paid document access, subscriptions, and enterprise tools. Growth potential is supported by mobile app integration and content subscription features.
Extracted Contact Information
Marketing Intelligence Data
Phone Numbers (1)
Security Posture Analysis
Comprehensive Security Assessment
The website enforces HTTPS and uses CAPTCHA on login forms, supporting secure user authentication. Multiple OAuth login options enhance user convenience and security. However, no explicit security headers (e.g., CSP, HSTS) were detected in the provided data, and no published security policy or incident response information is available. There is no evidence of a vulnerability disclosure program or security.txt file. Privacy compliance is partial, with a privacy policy present but no cookie consent mechanism detected. Overall, the security posture is moderate with room for improvement in headers, transparency, and compliance mechanisms.
Strategic Recommendations
Priority Actions for Security Improvement
Implement and enforce security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options to enhance protection against common web attacks.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
豆丁世纪(北京)网络技术有限公司
豆丁网是面向全球的中文社会化阅读分享平台,拥有商业,教育,研究报告,行业资料,学术论文,认证考试,星座,心理学等数亿实用文档和书刊杂志。
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS enforced
- Login forms with CAPTCHA
- Multiple login options including OAuth (WeChat, QQ, Weibo, Alipay)
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a mature, large-scale Chinese document sharing platform.
🛡️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
Third-party services without privacy policy
HIGHDetected services: Google Analytics
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: transport, digital
📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
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
🏆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
Mixed Content Detected
MEDIUM13 resources loaded over insecure HTTP
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
No DMARC Record
MEDIUMDMARC policy not configured
Domain Registration Details
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
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings