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Security report for 16888.top

Technology · China

High risk. 8 critical or high findings in Email security, Network security and 3 other checks.

Security score

46/100

Risk levelHigh

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

The website 16888.top operates as a domain marketplace and domain information platform primarily targeting Chinese-speaking domain investors and buyers. It offers domain listings with prices, domain evaluation tools, and links to external domain-related services. The business model focuses on domain brokerage and related services, with a small-scale operation founded in 2014 and hosted on Alibaba Cloud. Technically, the site is a simple HTML/CSS/JavaScript implementation without advanced frameworks or CMS, showing basic mobile optimization and moderate performance. Security posture is moderate with HTTPS enabled but lacking DNSSEC and security headers, and no privacy or cookie policies are present, indicating compliance gaps. Contact information is limited to phone numbers without email or physical addresses. Overall, the site is functional but could improve in security, privacy compliance, and professional presentation.

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

8 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. Network security

    Services reachable from the internet are the first thing attackers probe. Anything open that does not need to be should be closed.

    • Critical

      Critical Service Exposed: MySQL

      Port 3306 (MySQL) is publicly accessible - MySQL - Database server

      What to do: Immediately restrict access to MySQL using firewall or VPN

      • NIS2 21(2)(e)
      • IR 2024/2690 6.7.2(f): Implementing Regulation (EU) 2024/2690, Annex point 6.7.2(f): Network security
      • NIST CM-7: NIST SP 800-53 Rev. 5 CM-7: Least Functionality
      • NIST SC-7: NIST SP 800-53 Rev. 5 SC-7: Boundary Protection

  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 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';…

  4. 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 16888.top

This scan found 26 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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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
62
Security headers
30
Email security
60
DNS health
75
Network security
0
GDPR outside view
50
Average
46

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 · found on this site
  • 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

16888.top occupies a niche market in domain brokerage and domain information services within China. Its competitive advantage lies in offering a curated list of domain names with pricing and descriptions, along with links to domain evaluation and SEO tools. The business targets domain investors and webmasters seeking domain acquisition and evaluation services. Revenue likely derives from domain sales commissions or direct sales. The partnership ecosystem includes several related domain marketplaces and domain service sites. Growth indicators are limited but the domain age and hosting provider suggest a stable presence. Strategic observations include the need to enhance trust signals and compliance to improve market credibility.

Security posture

The website demonstrates a basic security maturity level. HTTPS is enabled, ensuring encrypted communication. However, the absence of DNSSEC and security headers such as Content-Security-Policy, X-Frame-Options, and X-Content-Type-Options reduces protection against DNS spoofing, clickjacking, and MIME-type attacks. No privacy or cookie policies are present, indicating non-compliance with GDPR and similar regulations. The site collects visitor data via JavaScript POST requests to external logging endpoints without user consent mechanisms. The admin page is publicly linked without visible authentication controls, posing potential risk. Incident response and vulnerability disclosure mechanisms are absent. Overall, the security posture requires significant improvements to meet modern standards.

Recommendations

  1. Enable DNSSEC on the domain to enhance DNS security and prevent spoofing.
  2. Implement standard security headers (Content-Security-Policy, X-Frame-Options, X-Content-Type-Options) to mitigate common web attacks.
  3. Publish comprehensive privacy and cookie policies and implement user consent mechanisms to comply with GDPR and other privacy laws.
  4. Secure the admin.php page with authentication and input validation to prevent unauthorized access.
  5. Add HTTPS Strict Transport Security (HSTS) header to enforce secure connections and improve SSL security.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Description
The website operates as a domain marketplace and domain information service platform, offering domain name listings with prices and descriptions, domain-related tools, and links to external domain evaluation and history services.
Key services
Domain name listings for sale, Domain price checking, Domain rating and SEO scoring, Domain history lookup, Website speed checking
Content quality
basic
Branding
moderate

Technology

Stack
HTML5, CSS, JavaScript
Performance
moderate
Mobile
basic
Accessibility
basic
SEO
basic

Security

Observed score
45/100
Good practices seen
  • Uses HTTPS (implied by URL https://16888.top/)
  • No sensitive data exposed in HTML

Analytics and tracking

Tracking level
moderate
Privacy practices
poor

Advertising

Transparency
poor

Site quality

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

Key observations

  1. Website is a domain marketplace primarily targeting Chinese users.
  2. No privacy, cookie, or terms of service policies found, indicating compliance gaps.
  3. Contact information limited to phone numbers without email or physical address.
  4. No advanced security headers or DNSSEC enabled.
  5. Uses Alibaba Cloud hosting with domain registered through Alibaba registrar.
  6. Includes external links to domain evaluation and SEO tools.
  7. JavaScript sends visitor data to external logging endpoints on sing.ge domain.
  8. No CMS or advanced frameworks detected; simple static site with some dynamic JS.
  9. No social media links or verified company emails found.
  10. Content is safe and suitable for general audiences.
Technical notes

Notes

The website is built using basic HTML5, CSS, and JavaScript without any detected CMS or advanced frameworks. Hosting is provided by Alibaba Cloud, a reputable provider. The site loads moderately fast and is mobile responsive at a basic level. SEO optimization is minimal with basic meta tags and no structured data or Open Graph tags detected. Accessibility features are limited. The site uses JavaScript to send visitor data to external logging endpoints, indicating some level of visitor tracking. There is no evidence of modern JavaScript frameworks or content delivery networks. The technical debt is low due to simplicity but modernization opportunities exist to improve SEO, accessibility, and security.
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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