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Is yunyou.top a Scam? Security Check Results - Chengdu west dimension digital Reviews

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Is yunyou.top Safe? Security Analysis for Chengdu west dimension digital

Check if yunyou.top is a scam or legitimate. Free security scan and reviews.

TechnologyChinamedium
jQuery 1.11.3custom JavaScript modulesCSS3HTML5
Analyzed 8/2/2025Completed 7:31:41 PM
58
Security Score
MEDIUM RISK

AI Summary

The website yunyou.top is an enterprise cloud email service platform primarily targeting Chinese business users. It offers a range of services including real-time email monitoring, large attachment support, WeChat notifications, anti-spam features, and cloud storage solutions. The platform positions itself as a recognized domestic provider with a medium-sized operational scale, founded in 2018. The website content is professional and consistent with its business model, featuring a login portal for enterprise users. The technical infrastructure includes standard web technologies such as jQuery and custom JavaScript, with basic mobile optimization and moderate performance. Security measures include client-side password encryption and CSRF tokens, but lack advanced HTTP security headers and DNSSEC, indicating areas for improvement. Privacy and cookie policies are absent, which impacts compliance and user trust. Overall, the domain registration data aligns well with the website's claims, supporting its legitimacy.

Detected Technologies

jQuery 1.11.3custom JavaScript modulesCSS3HTML5

🧠AI Business Intelligence

Technology stack, business insights, and market analysis powered by AI.

Business Intelligence

Market & Strategic Analysis

Yunyou.top operates in the technology sector, specifically providing enterprise email solutions in China. Its business model revolves around subscription or service-based offerings for corporate clients requiring secure and feature-rich email services. The company benefits from a stable domain registration and ICP certification, which is mandatory for Chinese websites, enhancing its market credibility. The platform integrates with WeChat for login and notifications, indicating a strategic alignment with popular Chinese communication tools. However, the absence of explicit privacy and security policies may limit its appeal to privacy-conscious clients. The company appears to maintain a focused product offering without evident diversification or partnerships disclosed on the site.

Security Posture Analysis

Comprehensive Security Assessment

The security posture of yunyou.top is moderate. The site uses HTTPS (implied by the URL scheme) and includes CSRF tokens and client-side password encryption, which are positive indicators. However, the lack of DNSSEC, absence of security headers such as Content Security Policy (CSP), HSTS, and X-Frame-Options reduces its defense-in-depth capabilities. No vulnerability disclosure or incident response information is provided, which is a gap in transparency and readiness. The site does not expose sensitive data in the HTML, but the security framework could be enhanced to meet higher compliance standards such as ISO 27001 or NIST. Overall, the security measures are basic and functional but require strengthening to mitigate advanced threats.

Strategic Recommendations

Priority Actions for Security Improvement

1

Enable DNSSEC on the domain to improve DNS security and prevent spoofing.

Observations

AI-powered comprehensive website and business analysis.

AI-Enhanced Website Analysis

Business Insights

Company:

Chengdu west dimension digital

Description:

云邮又称企业云邮,是国内优秀的企业邮箱系统,基于云计算平台搭建实时监控邮件、超大附件、微信提醒、反垃圾、个人网盘、企业网盘、日程提醒等服务。

Key Services:
enterprise emailreal-time email monitoringlarge attachment supportWeChat notificationsanti-spampersonal and enterprise cloud storageschedule reminders
Content Quality:

good

Branding:

consistent

Technical Stack

Technologies:
jQuery 1.11.3custom JavaScript modulesCSS3HTML5
Performance:

moderate

Mobile:

basic

Accessibility:

basic

SEO:

basic

Security Assessment

Security Score:
55/100
Best Practices:
  • CSRF token included in login form
  • Password encryption on client side before submission
  • Input filtering on username and domain fields

Analytics & Tracking

Tracking Level:minimal
Privacy Compliance:poor

Advertising & Marketing

Transparency Level:poor

Website Quality Assessment

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

Key Observations

1

Website is a professional enterprise email login portal targeting Chinese business users.

🛡️Security Headers

HTTP security headers analysis and recommendations.

Security Headers

HTTP security headers analysis

50/100
Score

Missing Strict-Transport-Security header

HIGH

Forces HTTPS connections

Missing X-Content-Type-Options header

MEDIUM

Prevents MIME type sniffing

Missing X-XSS-Protection header

MEDIUM

Legacy XSS protection (deprecated but still recommended)

Missing Referrer-Policy header

LOW

Controls referrer information sent with requests

Missing Permissions-Policy header

MEDIUM

Controls browser features and APIs

👤GDPR Compliance

Privacy and data protection assessment under GDPR regulations.

GDPR Compliance

Privacy and data protection assessment

50/100
Score

No Privacy Policy found

HIGH

GDPR requires a clear and accessible privacy policy

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

GDPR Compliance Analysis

Privacy Policy0% confidence
Cookie Policy0% confidence
Contact Information Found90% confidence
phone

🛡️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: energy, transport, digital

📧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 include:spf.yunyou.top -all
DNS Lookups:1/10
Policy:-all

🏆SSL/TLS Security

Certificate validity and encryption analysis.

SSL/TLS Security

Certificate validity and encryption analysis

62/100
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 Soon

HIGH

SSL certificate expires in 20 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

Domain Age
7 years(mature)
Expiry Risk
none(534 days)
Protection Level
noneDNSSEC OFF
Suspicious Indicators Detected
  • No domain protection locks enabled
  • Privacy/proxy registration detected

DNS Records

A Records:211.149.251.65
Name Servers:
ns3.dnsv2.com
ns4.dnsv2.com
MX Records:
10: mx2.yunyou.top
10: mx1.yunyou.top

DNSSEC Status

DNSSEC Not Enabled

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

🔧Technical Analysis

Detailed technical findings and analysis from AI assessment.

Technical Analysis

Comprehensive security assessment findings

Additional Findings

The website is built using traditional web technologies including jQuery 1.11.3 and custom JavaScript modules. The HTML and CSS are valid and structured, with a responsive design approach that redirects mobile users to a mobile site. Performance is moderate, with no heavy external dependencies or tracking scripts detected. The site lacks modern frameworks or CMS indications, suggesting a custom or legacy platform. Client-side encryption of passwords before submission is a positive security feature. However, the absence of advanced security headers and DNSSEC indicates technical debt in security infrastructure. The site could benefit from modernization efforts including adoption of newer JavaScript frameworks, enhanced SEO metadata, and improved accessibility features.
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