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Security report for downkuai.com

Technology · China

Medium risk. 9 critical or high findings in Email security, Security headers and 2 other checks.

Security score

53/100

Risk levelMedium

0–100, higher is better. How it is calculated

The website www.downkuai.com operates as a comprehensive Chinese software and gaming download platform, offering a wide range of Android apps, PC games, Mac software, and related news content. It targets Chinese-speaking users interested in discovering and downloading software and games, positioning itself as a notable player in the Chinese digital entertainment and software distribution market. The platform provides categorized downloads, game guides, news, and gift packs, enhancing user engagement and retention. From a technical perspective, the site employs standard web technologies including HTML5, CSS, and JavaScript, with a mobile-optimized version accessible via a subdomain. The site structure is well-organized with clear navigation and SEO-friendly metadata, supporting good user experience and discoverability. However, no advanced frameworks or CMS were detected, and performance is moderate. Security posture is moderate but lacks several best practices. There is no evidence of security headers, privacy or cookie policies, or incident response contacts. The site uses HTTPS (implied by URLs), but SSL configuration details are unknown. The absence of WHOIS registration data raises concerns about domain legitimacy and trustworthiness, although the site content is professional and regularly updated. Overall, the site is functional and content-rich but would benefit from enhanced security measures, transparent privacy practices, and verified domain registration to improve trust and compliance. Strategic recommendations include implementing security headers, publishing privacy and cookie policies, and clarifying business and contact information to strengthen credibility and user confidence.

Scanned

NIS2 and GDPR posture

GDPR outside view
50/ 100 · Medium
Checks completed
7of 7

NIS2 Art. 21(2)

  1. (a) Risk analysis and security policies: Not visible from outside
  2. (b) Incident handling: One indicator
  3. (c) Business continuity, backups and crisis management: Not visible from outside
  4. (d) Supply chain security: Not visible from outside
  5. (e) Secure acquisition, development and maintenance, including vulnerability handling: Partly checked
  6. (f) Assessing the effectiveness of security measures: Not visible from outside
  7. (g) Cyber hygiene and security training: Not visible from outside
  8. (h) Cryptography and encryption: Partly checked
  9. (i) HR security, access control and asset management: One indicator
  10. (j) Multi-factor authentication and secured communications: Not visible from outside

This scan rated NIS2 with an earlier keyword method that is no longer shown; rescan for the per-article view. Risk management, continuity, supply chain, training, MFA, management oversight (Art. 20) and incident reporting (Art. 23) need internal evidence, and Guard cannot tell whether NIS2 applies to this organisation.

GDPR is indicative only, based on publicly visible signals: Articles 7, 12, 13 and 32 of Regulation (EU) 2016/679 and Article 5(3) of the ePrivacy Directive. Not a certification or legal assessment.

Priority findings

9 findings rated critical or high. Fix these first.

  1. Email security

    SPF, DKIM and DMARC stop others sending email that looks like it comes from your domain, a common route to phishing and invoice fraud.

    • Critical

      No email authentication configured

      Domain is vulnerable to email spoofing

      What to do: Implement SPF, DKIM, and DMARC immediately

  2. Security headers

    Security headers are instructions your web server sends to every visitor’s browser. Missing ones leave visitors more exposed to attacks such as clickjacking and injected scripts.

    • High

      Missing Strict-Transport-Security header

      Forces HTTPS connections

      What to do: Add "Strict-Transport-Security: max-age=31536000; includeSubDomains; preload"

      • CWE-319
      • OWASP A04:2025
      • ASVS V3.4.1
    • High

      Missing X-Frame-Options header

      Prevents clickjacking attacks

      What to do: Add "X-Frame-Options: DENY" or "X-Frame-Options: SAMEORIGIN"

    • High

      Missing Content-Security-Policy header

      Controls resources the browser is allowed to load

      What to do: Implement a Content-Security-Policy appropriate for your application

      • ASVS V3.4.3
      • OWASP Secure Headers: OWASP Secure Headers Project recommends Content-Security-Policy: default-src 'self'; form-action 'self'; base-uri 'self'; object-src 'none';…

  3. GDPR outside view

    These are the privacy signals visitors and data protection authorities look for under GDPR.

    • High

      No Privacy Policy found

      GDPR requires a clear and accessible privacy policy

      What to do: Add a comprehensive privacy policy page and link to it prominently

Need hands-on remediation? Email guard@offseq.com

Keep watching downkuai.com

This scan found 28 issues across 6 checks. Monitoring re-runs those checks daily, emails you when something material changes and records each fix, so you can show progress.

Daily monitoring

Recommended

€25per month

  • TLS certificates and expiry
  • DNS records
  • SPF, DKIM and DMARC
  • Security headers
  • GDPR and NIS2 posture
  • Exposed services
  • Third-party trackers
  • Security score drift

Email alerts on material changes and an exportable JSON history of every change.

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Full report

€39.90one-time

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Results by check

Each check with its score, findings and the evidence it collected.

How this score is calculated

The security score runs 0–100, higher is better. It is the plain average of the security checks that completed in this scan, each counted equally. A check that could not run is left out: it counts neither as a pass nor as a fail.

Counted in this score

SSL/TLS
52
Security headers
15
Email security
30
DNS health
70
Network security
100
GDPR outside view
50
Average
53

Not counted

  • NIS2 outside view: Re-weights evidence from the TLS, email, DNS, network and hygiene checks, so counting it would count that evidence twice. Shown on its own.
  • OffSeq Observations: An AI reading of the site, useful context but not reproducible evidence. Shown on its own.

Findings that cap the score at 49

Each of these is serious on its own, so while any is present the site cannot rate better than high risk, however good the other checks are.

  • The certificate is not trusted by browsers
  • The website is not served over HTTPS
  • A database, remote desktop, file-sharing or Telnet service is reachable from the internet
  • The page loads a script from a compromised source
  • The domain registration has expired
  • SPF authorises every server to send mail as the domain

Partial scans

When the site blocks Guard or most checks cannot run, the score covers only the checks that ran (usually DNS and email), is capped at 75 and is shown as partial, without a risk level.

Risk levels

  • Critical0–25
  • High26–49
  • Medium50–75
  • Low76–100

Technical appendix

Business context, site observations and technical notes gathered during the scan, and the standards behind each reference.

Business context

Business profile

Downkuai.com operates in the technology sector as a digital distribution platform for software and games, primarily serving the Chinese market. Its business model revolves around providing free downloads and curated content, likely monetized through advertising or affiliate partnerships. The platform's extensive catalog and frequent updates indicate a mature content management process. Competitive advantages include a broad range of software categories, detailed guides, and a focus on popular gaming titles. The lack of visible company information or WHOIS data suggests a need for improved transparency. Growth indicators include active content updates and diverse offerings. The partnership ecosystem is unclear due to limited external domain references. Overall, the platform serves a niche audience effectively but should enhance business transparency and compliance to support sustainable growth.

Security posture

The website demonstrates a basic security posture with HTTPS usage implied by resource URLs, but lacks critical security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options. No privacy or cookie policies are present, indicating potential compliance gaps with GDPR and other privacy regulations. The absence of contact information for security incidents or vulnerability disclosures reduces incident response readiness. No evidence of vulnerable libraries or exposed sensitive data was found in the HTML content. The WHOIS data absence is a significant concern, potentially indicating domain registration issues or privacy protection that is not justified. Overall, the security maturity is low to moderate, with recommendations to implement security best practices, privacy compliance, and incident response mechanisms.

Recommendations

  1. Implement comprehensive security headers including Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options to mitigate common web attacks.
  2. Publish clear and accessible privacy and cookie policies to comply with GDPR and enhance user trust.
  3. Establish and display incident response contact information such as security@ or abuse@ email addresses.
  4. Verify and update WHOIS domain registration information to improve legitimacy and trustworthiness.
  5. Enhance technical infrastructure with modern frameworks and performance optimizations to improve user experience and security.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Description
当快软件园提供安卓应用、安卓游戏、电脑游戏、电脑软件等各类资源下载。发现好应用、好游戏。分享新鲜有趣的app应用。全力打造一个软件、游戏及相关资讯的综合平台。
Key services
Android apps and games downloads, PC games and software downloads, Mac software downloads, Game and software news and guides, Gift packs and game promotions
Content quality
good
Branding
consistent

Technology

Stack
HTML5, CSS, JavaScript
Platforms
Web, Mobile (redirect to m.downkuai.com)
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
50/100

Analytics and tracking

Tracking level
minimal
Privacy practices
poor

Advertising

Transparency
poor

Site quality

Design
good
User experience
good
Content relevance
good
Navigation
good
Professionalism
good
Trustworthiness
moderate

Key observations

  1. Website is a Chinese software and game download portal with extensive content.
  2. No WHOIS registration data available, raising questions about domain legitimacy.
  3. No privacy, cookie, or terms of service policies found on the site.
  4. No explicit contact or security incident response information provided.
  5. No security headers or advanced security practices detected in HTML content.
  6. No WAF or blocking mechanisms detected; site is fully accessible.
  7. Content is safe and suitable for general audiences.
  8. Site uses multiple subdomains for search and images.
  9. No social media or company contact emails found in the content.
  10. Site appears to target Chinese-speaking users interested in gaming and software.
Technical notes

Notes

The website is built using standard HTML5, CSS, and JavaScript without indication of advanced frameworks or CMS platforms. It supports mobile optimization via a dedicated mobile subdomain. The site structure is logically organized with clear navigation menus and categorized content. SEO metadata is well implemented, including keywords and descriptions in Chinese. Performance is moderate, with multiple images and scripts loaded from subdomains. No analytics or tracking scripts were detected in the provided HTML snippet. The absence of security headers and privacy-related scripts indicates technical debt in security and compliance areas. Hosting provider and SSL configuration details are not discernible from the HTML content. Overall, the technical implementation is functional but could benefit from modernization and enhanced security controls.
Standards and sources

Reference chips under each finding point to the standard, regulation or specification the finding relates to. They are taken from the official datasets below and mapped conservatively: a finding with no defensible link shows none. NIS2 and GDPR references mark where a finding is relevant evidence, not a compliance verdict. Implementing Regulation (EU) 2024/2690 binds digital infrastructure and digital service providers; for other entities it is the most detailed public reading of the Article 21 measures. WCAG, EN 301 549, European Accessibility Act and Web Accessibility Directive references name the requirement an automated accessibility rule relates to; they are not a conformance verdict.

Retrieved 2026-10-25

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