Is sdfkhb.com Safe? Security Analysis for 二手房网-房产中介,房屋出售,二手房源,二手房交易,二手房出售,二手房买卖,最大的二手房交易平台
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AI Summary
The website sdfkhb.com operates as a Chinese real estate platform primarily focused on second-hand housing transactions, including sales and rentals. It positions itself as one of the largest platforms in this niche within China, offering extensive listings across multiple cities and provinces. The site provides additional real estate-related content such as news, knowledge articles, and buying guides, targeting a general audience interested in property transactions. The business model revolves around online listings and brokerage services, leveraging a medium-sized platform infrastructure. Technically, the website uses a mix of older and newer jQuery libraries, JavaScript, and CSS, running on a CMS likely identified as Destoon. The site is hosted under DNSPod, Inc., with HTTPS enabled but lacking DNSSEC and modern security headers. Mobile optimization and accessibility are basic but functional. SEO practices appear adequate with proper meta tags and structured navigation. From a security perspective, the site benefits from HTTPS but lacks advanced security headers and uses outdated JavaScript libraries that may expose it to vulnerabilities. No explicit privacy or cookie consent mechanisms are implemented, which may pose compliance risks. The WHOIS data shows a consistent and legitimate domain registration without privacy protection, aligning with the website's recent launch in 2023. Overall, the website is functional and provides relevant real estate services but requires improvements in security posture, privacy compliance, and contact transparency to enhance trustworthiness and regulatory adherence.
Detected Technologies
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Sdfkhb.com targets the Chinese real estate market with a focus on second-hand housing, offering a broad range of property types including residential, commercial, villas, and warehouses. Its competitive advantage lies in its extensive city-specific subdomains and comprehensive content offerings such as news and guides, which support user engagement and retention. The platform likely generates revenue through listing fees, brokerage commissions, and advertising. The absence of direct contact information and certifications suggests a need for stronger trust-building measures. Partnerships with various related websites indicate an ecosystem approach to expand reach. The business is relatively new, founded in 2023, and positioned as a medium-sized player in the real estate sector.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a basic security maturity level with HTTPS enabled but lacks DNSSEC and critical security headers like Content-Security-Policy and Strict-Transport-Security. The use of outdated jQuery versions introduces potential vulnerabilities that could be exploited. No incident response or vulnerability disclosure policies are visible, and no dedicated security contact channels are provided. Privacy compliance is minimal, with no cookie consent or GDPR indicators. These gaps expose the platform to moderate security and compliance risks, which could impact user trust and regulatory standing.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC to enhance domain name system security and prevent DNS spoofing.
✨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 enabled
- No exposed sensitive data in HTML
- Use of external scripts from trusted domains
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a Chinese real estate platform specializing in second-hand housing.
🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
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: energy, 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
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
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
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 63 days
Mixed Content Detected
MEDIUM1 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
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
High-Risk Service Exposed: FTP
HIGHPort 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
Critical Service Exposed: MySQL
CRITICALPort 3306 (MySQL) is publicly accessible - MySQL - Database server
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings