Skip to main content

Security report for 51pgzs.com

51苹果助手 · Technology · China

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

Security score

58/100

Risk levelMedium

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

51苹果助手 is a Chinese online platform specializing in mobile game and software downloads, primarily targeting Android users. It offers a comprehensive range of services including game news, guides, special topic collections, and rankings, positioning itself as a leading domestic app market in China. The website is well-structured with good content quality and consistent branding, catering to a broad audience interested in mobile entertainment and utility apps. Technically, the site uses standard web technologies with Baidu Analytics for user tracking and is optimized for mobile devices, though some accessibility features are basic. Security-wise, the site enforces HTTPS but lacks several security headers and formal privacy or cookie policies, which are areas for improvement. The absence of WHOIS data for the domain raises concerns about domain legitimacy, despite the professional appearance and active content updates. Overall, the platform is functional and relevant but would benefit from enhanced transparency and security practices.

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. DNS health

    DNS sends visitors and email to the right servers. Misconfigured records can cause outages or let someone redirect your traffic.

    • Critical

      DNS Resolution Failed

      Unable to resolve domain A records

      What to do: Verify domain is properly configured and not expired

  3. 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';…

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

Keep watching 51pgzs.com

This scan found 23 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.

Billed monthly to your card. Cancel anytime. See sample alerts.

Full report

€39.90one-time

  • The complete analysis as a PDF you can cite
  • Email delivery with an unlock code
  • Lifetime access to this report

Prices incl. 21% VAT. Secure checkout by Mollie; sold by SEQ SIA, Latvia.

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
90
Security headers
20
Email security
40
DNS health
45
Network security
100
GDPR outside view
50
Average
58

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

The platform operates in the technology sector, focusing on mobile gaming and software distribution within China. Its business model revolves around providing free downloads, news, and curated content to attract a large user base. The site maintains partnerships with several Chinese gaming and software portals, enhancing its market reach. Revenue streams likely include advertising and possibly affiliate marketing, though no explicit monetization details are present. The target customers are mobile users seeking games and apps, with a focus on Android devices. The site shows signs of medium scale operation with regular content updates and a broad catalog. However, the lack of detailed company information and WHOIS transparency may impact trust and growth potential.

Security posture

The website demonstrates a moderate security posture with HTTPS enabled, ensuring encrypted communications. However, it lacks important HTTP security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options, which could mitigate common web vulnerabilities. No exposed sensitive data or vulnerable libraries were detected in the HTML source. The absence of formal privacy and cookie policies, as well as incident response contacts, indicates gaps in compliance and security governance. The site does not provide a security.txt file or vulnerability disclosure program, limiting transparency for security researchers. Overall, while basic security measures are in place, the platform should enhance its security framework to better protect users and comply with regulations.

Recommendations

  1. Implement comprehensive privacy and cookie policies with user consent mechanisms to improve compliance and user trust.
  2. Add essential HTTP security headers (Content-Security-Policy, X-Frame-Options, X-Content-Type-Options) to strengthen security posture.
  3. Publish clear terms of service and incident response contact information to enhance transparency and readiness.
  4. Establish a vulnerability disclosure program and consider adding a security.txt file to facilitate responsible reporting.
  5. Investigate and resolve the absence of WHOIS data to improve domain legitimacy and trustworthiness.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
51苹果助手
Description
51苹果助手致力于打造国内顶尖的手机软件、手机游戏下载基地,旨在为用户提供满意的下载资源,同时包含游戏新闻、游戏攻略、游戏福利以及软件教程等多种资讯,给用户一站式的网站浏览体验!
Key services
Mobile game downloads, Mobile software downloads, Game news and guides, Special topic collections, Rankings and recommendations
Content quality
good
Branding
consistent

Technology

Stack
HTML5, CSS, JavaScript, Baidu Analytics
Platforms
Web, Mobile (responsive design)
Performance
moderate
Mobile
good
Accessibility
basic
SEO
good

Security

Observed score
75/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • No visible vulnerable libraries

Analytics and tracking

Services
Baidu Analytics
Tracking level
moderate
Privacy practices
poor

Advertising

Tracking pixels
Baidu Analytics
Transparency
basic

Site quality

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

Key observations

  1. Website is a Chinese mobile game and software download platform with rich content and active updates.
  2. No WHOIS data available, which is unusual for an active commercial site.
  3. No explicit privacy, cookie, or terms of service policies found on the homepage.
  4. Contact email found in footer for infringement issues but no general contact or support emails.
  5. No phone numbers or physical addresses found.
  6. Site uses HTTPS and Baidu Analytics for tracking.
  7. No visible security headers detected in HTML source.
  8. No social media links found.
  9. Site content is safe and suitable for general audiences.
  10. Navigation and content structure are clear and user-friendly.
Technical notes

Notes

The website is built using standard HTML5, CSS, and JavaScript technologies, with external scripts including Baidu Analytics for tracking. The site is mobile-optimized with responsive design elements and clear navigation structures. Performance appears moderate with no major issues detected in the source. There is no evidence of a CMS or advanced frameworks, suggesting a custom or lightweight implementation. The hosting provider is not identifiable from the HTML source. Accessibility features are basic, and SEO optimization is good with proper meta tags and keywords. The site could benefit from modernizing security headers and enhancing privacy compliance features.
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

Reviews of this site

Share your experience with 51pgzs.com. Every review is verified by email and published after moderation.

Overall rating
Select a rating
4000 characters remaining

We’ll email you to confirm your review and keep your details private.

Community rating

No published reviews yet. Be the first to review 51pgzs.com.

Feedback on this report

Rate this report, add an optional comment, and tell us if you want a security specialist to follow up.

Overall report quality
Select a rating
2000 characters remaining

We only use your feedback to improve Guard reports. Contact details are never shared.