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Security report for kan3721.com

杭州畅房网络科技有限公司 · Real Estate · China

Medium risk. 7 critical or high findings in Email security, Security headers and 1 other check.

Security score

65/100

Risk levelMedium

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

The website www.kan3721.com operates as a regional real estate information platform focused on the Hangzhou area in China. It provides comprehensive services including new home listings, lottery results for housing allocations, price information, and various tools such as mortgage calculators and map-based property searches. The business is positioned as a medium-sized entity under the company 杭州畅房网络科技有限公司, founded in 2013, serving local homebuyers and real estate stakeholders. Technically, the site employs legacy JavaScript libraries like jQuery 1.8.3 and integrates Baidu analytics and link submission scripts. The site is served over HTTPS, but lacks modern security headers and cookie consent mechanisms, indicating room for improvement in security and privacy compliance. The website design and navigation are good, with clear content relevance and professional presentation, though mobile optimization is basic. From a security perspective, the absence of WHOIS registration data raises concerns about domain legitimacy and transparency. The use of outdated libraries and missing security headers further reduce the security posture. No explicit vulnerabilities or exposed sensitive data were found, but improvements are recommended to align with best practices. Overall, the site is functional and content-rich but requires enhancements in security, privacy compliance, and domain registration transparency to improve trustworthiness and reduce risk.

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

7 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 kan3721.com

This scan found 22 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

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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
90
Security headers
15
Email security
60
DNS health
75
Network security
100
GDPR outside view
50
Average
65

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 targets the Hangzhou real estate market, offering detailed property listings, lottery and price data, and buyer tools. Its competitive advantage lies in localized, frequently updated data and integration of multiple property types including apartments, commercial real estate, and offices. Revenue likely derives from advertising, lead generation, and possibly partnerships with developers. The absence of phone contact and social media presence suggests a primarily web-based customer engagement model. The company maintains partnerships with regional real estate portals and related service providers. Growth indicators include active content updates and a broad catalog of properties. Strategic observations highlight the need for enhanced digital trust signals and compliance to sustain market position.

Security posture

The website demonstrates a moderate security maturity level with HTTPS enforced and no visible sensitive data leaks. However, the use of an outdated jQuery version (1.8.3) introduces potential vulnerabilities. The lack of security headers such as Content Security Policy (CSP), HTTP Strict Transport Security (HSTS), and X-Frame-Options weakens defense against common web attacks. No incident response or security policy information is publicly available, indicating limited transparency and preparedness. Privacy compliance is minimal, with no cookie consent or GDPR indicators. Overall, the security posture is functional but requires significant improvements to meet modern standards and reduce risk exposure.

Recommendations

  1. Update all JavaScript libraries, especially jQuery, to the latest secure versions to mitigate known vulnerabilities.
  2. Implement comprehensive security headers including CSP, HSTS, and X-Frame-Options to enhance protection against web attacks.
  3. Add a clear cookie policy and consent mechanism to comply with privacy regulations and improve user trust.
  4. Publish detailed security and privacy policies, including incident response contacts, to demonstrate transparency and readiness.
  5. Verify and publish accurate WHOIS domain registration information to improve legitimacy and trustworthiness.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
杭州畅房网络科技有限公司
Description
杭州最新楼盘摇号登记结果每日更新，杭州摇号新房一房一价表公示，新开摇号楼盘信息大全中签率/报名人数免费查询，杭州免费房产信息聚合网站，航拍全景身临其境！
Key services
楼盘摇号查询, 新房房价信息, 购房资格查询, 看房团组织, 地图找房, 房贷计算器
Content quality
good
Branding
consistent

Technology

Stack
jQuery 1.8.3, Highcharts, Baidu Analytics, Baidu Link Submit
Performance
moderate
Mobile
basic
Accessibility
basic
SEO
good

Security

Observed score
65/100
Good practices seen
  • HTTPS enforced
  • No exposed sensitive data in HTML
  • Forms use POST method

Analytics and tracking

Services
Baidu Analytics
Tracking level
moderate
Privacy practices
basic

Advertising

Tracking pixels
Baidu Analytics
Marketing tools
Baidu Link Submit
Transparency
basic

Site quality

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

Key observations

  1. Website is a regional real estate information portal focused on Hangzhou, China.
  2. Content is in Chinese with localized metadata and keywords.
  3. No WHOIS registration data available, which is unusual for an active commercial site.
  4. No privacy or cookie consent banners detected, indicating potential GDPR non-compliance.
  5. Use of outdated JavaScript libraries may pose security risks.
  6. No visible security headers implemented.
  7. Contact information limited to email addresses in footer; no phone numbers or physical addresses explicitly found.
  8. No social media links detected.
  9. Website uses HTTPS and Baidu analytics/tracking scripts.
  10. No adult or NSFW content detected; content is safe for general audiences.
Technical notes

Notes

The website uses legacy jQuery 1.8.3 and Highcharts for data visualization, with Baidu analytics and link submission scripts for tracking and SEO. The HTML is valid and SEO optimized with appropriate meta tags and keywords targeting the Hangzhou real estate market. Mobile optimization is basic but functional. No CMS or hosting provider information is detected. Performance is moderate, likely due to legacy scripts and multiple external calls. The site structure is clear with well-organized navigation and categorized property listings. Technical debt is evident in outdated libraries and missing security headers, presenting modernization opportunities to improve security and performance.
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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