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Security report for 51uuo.com

北京青年假期国旅 · Hospitality · China

Medium risk. 7 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 51uuo.com represents Beijing Youth Holiday International Travel Agency (北京青年假期国旅), a medium-sized travel agency established in 2010, specializing in domestic and outbound group tours and customized travel services. The site targets Chinese-speaking travelers interested in Beijing and international destinations, offering a broad range of travel packages including Southeast Asia, Europe, and domestic Chinese tours. The business positions itself as a top-ranked Beijing travel agency with competitive pricing and sincere customer service. Technically, the website uses a traditional web stack including jQuery and JavaScript, hosted by Alibaba Cloud. The site is moderately optimized for performance and mobile devices, with basic SEO and accessibility features. The mobile user redirection to a mobile subdomain indicates some mobile optimization efforts. However, no advanced frameworks or CMS were detected, and the site lacks modern security headers and DNSSEC. From a security perspective, the site uses HTTPS (implied by redirection scripts) but lacks visible security headers and DNSSEC, which are recommended for enhanced protection. No privacy or cookie policies were found, indicating compliance gaps with GDPR and other privacy regulations. The site uses Baidu Analytics for user tracking but does not provide cookie consent mechanisms. Contact information is limited to a phone number, with no email or social media presence detected. Overall, the website is functional and professional but has room for improvement in privacy compliance, security hardening, and mobile optimization. The domain registration data aligns well with the business claims, supporting legitimacy. Strategic improvements in security policies, privacy disclosures, and technical modernization would enhance trust and compliance.

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 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

    • High

      No Cookie Policy found

      GDPR requires clear information about cookie usage

      What to do: Add a dedicated cookie policy explaining cookie usage and purposes

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

Keep watching 51uuo.com

This scan found 25 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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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
40
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

51uuo.com operates as an online travel agency focused on Beijing and outbound tourism markets, offering group and customized tours. Its competitive advantage lies in its established market presence since 2010 and a broad portfolio of travel destinations. The business model is commission and package sales based, targeting middle-class Chinese travelers seeking organized tours. The website content and navigation suggest a customer-centric approach with clear destination categories and product recommendations. The lack of contact emails and social media may limit customer engagement channels. The partnership ecosystem is not explicitly visible, but the use of Alibaba Cloud and Baidu Analytics indicates integration with major Chinese tech providers. Growth indicators include frequent updates to travel packages and seasonal promotions. Strategic observations suggest the company could benefit from enhanced digital marketing and compliance transparency to strengthen market position.

Security posture

The security posture of 51uuo.com is moderate but with notable gaps. HTTPS is used, ensuring encrypted communication, but no DNSSEC is enabled, which could expose the domain to DNS spoofing risks. The absence of security headers such as Content Security Policy, X-Frame-Options, and HSTS reduces protection against common web attacks like clickjacking and XSS. No privacy or cookie policies are present, indicating non-compliance with GDPR and similar regulations. The site uses Baidu Analytics, which involves user tracking without visible consent mechanisms, raising privacy concerns. No incident response or vulnerability disclosure information is provided, limiting transparency. Overall, while no critical vulnerabilities or malware were detected, the site would benefit from implementing security best practices and compliance documentation to reduce risk and improve user trust.

Recommendations

  1. Implement and publish a comprehensive privacy policy and cookie policy with GDPR compliance details.
  2. Enable DNSSEC for the domain to enhance DNS security and prevent spoofing.
  3. Add standard security headers such as Content Security Policy, HSTS, X-Frame-Options, and X-Content-Type-Options.
  4. Introduce cookie consent mechanisms to comply with privacy regulations and inform users about tracking.
  5. Provide clear contact channels including a company email address and consider adding social media links for better engagement.
Site observations

Automated reading of the public site. Ratings are indicative.

Business

Company
北京青年假期国旅
Description
北京青年假期国旅主要从事北京旅游,北京旅游团,出境游国内游等跟团和定制服务,北京青年假期旅行社打造排名前列的北京旅行社网站，以为优质的报价及真诚的服务竭诚为您效劳。
Key services
Beijing domestic tours, Outbound tours, Customized travel services, Group tours
Content quality
good
Branding
consistent

Technology

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

Security

Observed score
40/100
Good practices seen
  • HTTPS redirect for mobile users

Analytics and tracking

Services
Baidu Analytics
Tracking level
moderate
Privacy practices
poor

Advertising

Tracking pixels
Baidu Analytics (hm.baidu.com)
Transparency
basic

Site quality

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

Key observations

  1. Website is a professional travel agency focused on Beijing and outbound tours
  2. No privacy or cookie policies found, indicating compliance gaps
  3. Mobile users are redirected to a mobile subdomain
  4. No visible security headers or advanced security configurations
  5. Uses Baidu Analytics for user tracking
  6. WHOIS data shows domain registered since 2010 with Alibaba Cloud
  7. No suspicious or malicious content detected
  8. No contact email found; only phone number provided
  9. No social media links detected
Technical notes

Notes

The website is built on a traditional web stack using jQuery and JavaScript with CSS for styling. It is hosted on Alibaba Cloud, a reputable provider. The site includes a mobile redirect script to a mobile subdomain, indicating some mobile optimization, though the mobile experience is basic. SEO is supported by meta tags for description and keywords, but no advanced structured data (JSON-LD) or Open Graph tags were found. Performance is moderate with no explicit indicators of optimization or CDN usage. Accessibility features are minimal. The lack of a modern CMS or framework suggests potential technical debt and opportunities for modernization to improve maintainability and scalability. Security configurations are basic, with no advanced protections detected. Overall, the technical infrastructure supports the business needs but could be enhanced for better performance, security, and compliance.
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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