Is kan3721.com Safe? Security Analysis for 杭州畅房网络科技有限公司
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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
The website www.kan3721.com operates as a regional real estate information platform focused on the Hangzhou area in China. It provides comprehensive services including new home listings, lottery results for housing allocations, price information, and various tools such as mortgage calculators and map-based property searches. The business is positioned as a medium-sized entity under the company 杭州畅房网络科技有限公司, founded in 2013, serving local homebuyers and real estate stakeholders. Technically, the site employs legacy JavaScript libraries like jQuery 1.8.3 and integrates Baidu analytics and link submission scripts. The site is served over HTTPS, but lacks modern security headers and cookie consent mechanisms, indicating room for improvement in security and privacy compliance. The website design and navigation are good, with clear content relevance and professional presentation, though mobile optimization is basic. From a security perspective, the absence of WHOIS registration data raises concerns about domain legitimacy and transparency. The use of outdated libraries and missing security headers further reduce the security posture. No explicit vulnerabilities or exposed sensitive data were found, but improvements are recommended to align with best practices. Overall, the site is functional and content-rich but requires enhancements in security, privacy compliance, and domain registration transparency to improve trustworthiness and reduce risk.
Detected Technologies
12 urgent findings need attention
1 critical · 11 high
- + 4 more findings in the full report below
Keep kan3721.com 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
8 findings
15/100
GDPR Compliance
3 findings
50/100
NIS2 Compliance
9 findings
2/100
Email Security
5 findings
60/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The platform targets the Hangzhou real estate market, offering detailed property listings, lottery and price data, and buyer tools. Its competitive advantage lies in localized, frequently updated data and integration of multiple property types including apartments, commercial real estate, and offices. Revenue likely derives from advertising, lead generation, and possibly partnerships with developers. The absence of phone contact and social media presence suggests a primarily web-based customer engagement model. The company maintains partnerships with regional real estate portals and related service providers. Growth indicators include active content updates and a broad catalog of properties. Strategic observations highlight the need for enhanced digital trust signals and compliance to sustain market position.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate security maturity level with HTTPS enforced and no visible sensitive data leaks. However, the use of an outdated jQuery version (1.8.3) introduces potential vulnerabilities. The lack of security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options weakens defense against common web attacks. No incident response or security policy information is publicly available, indicating limited transparency and preparedness. Privacy compliance is minimal, with no cookie consent or GDPR indicators. Overall, the security posture is functional but requires significant improvements to meet modern standards and reduce risk exposure.
Strategic Recommendations
Priority Actions for Security Improvement
Update all JavaScript libraries, especially jQuery, to the latest secure versions to mitigate known vulnerabilities.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
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good
consistent
Technical Stack
moderate
basic
basic
good
Security Assessment
- HTTPS enforced
- No exposed sensitive data in HTML
- Forms use POST method
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a regional real estate information portal focused on Hangzhou, China.
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🛡️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
Critical sector without clear security compliance
HIGHDetected 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
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
No email authentication configured
CRITICALDomain is vulnerable to email spoofing
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Mixed Content Detected
MEDIUM5 resources loaded over insecure HTTP
Partial SSL/TLS Assessment
LOWCompleted 2 of 4 security checks due to time constraints
Certificate Details
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
No DMARC Record
MEDIUMDMARC policy not configured
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
How does kan3721.com compare?
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🔧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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