Is mailzun.com Safe? Security Analysis for 深圳千刻网络科技有限公司
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Below Technology avg (72)
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SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
AI Summary
MailZun is a specialized EDM (Electronic Direct Mail) marketing platform focused on providing high-delivery-rate email marketing and triggered email sending services. The company emphasizes delivering over 98% delivery rates and 95% inbox rates, targeting enterprises that require efficient and precise email marketing solutions. Their offerings include customizable email templates, intelligent data analysis tools, and robust sending channels to ensure timely and accurate email delivery. The platform supports multiple email types such as verification codes, password resets, balance reminders, and foreign trade development emails. Technically, the website employs modern frameworks like Bootstrap and Font Awesome, integrates Baidu Analytics for tracking, and offers a responsive and well-structured user experience. Security-wise, while HTTPS is assumed, there is a lack of visible security headers and formal security policies, indicating room for improvement. The WHOIS data is unavailable, raising some concerns about domain registration legitimacy, but the professional content and detailed service descriptions suggest a legitimate business. Overall, MailZun presents a solid email marketing service with a focus on stability, performance, and customer trust.
Detected Technologies
10 urgent findings need attention
10 high
- + 2 more findings in the full report below
Keep mailzun.com under constant watch
Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.
Security drift alerts
Risk score drops, new high-severity issues, and header hardening gaps
Compliance watch
GDPR / NIS2 posture changes with governance evidence snapshots
Infrastructure surface
Unexpected open services, SSL expiry, DNS & email authentication changes
Content & tracker intelligence
Marketing tech shifts, analytics drift, and AI recommendation updates
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Security Headers
7 findings
30/100
GDPR Compliance
4 findings
53/100
NIS2 Compliance
9 findings
2/100
Email Security
5 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
MailZun positions itself as a cost-effective and specialized alternative to major cloud providers like Alibaba Cloud and Tencent Cloud by focusing exclusively on triggered emails rather than mixed marketing and transactional emails. This niche focus allows them to maintain high IP reputation and delivery rates. Their pricing strategy is competitive, with plans starting as low as 15 RMB per 10,000 emails. The company targets small to medium-sized enterprises needing reliable email API services with features like multi-IP rotation, email authenticity verification, and detailed analytics. The ecosystem includes partnerships with related email marketing and technology platforms, enhancing their service offerings and market reach. The presence of customer testimonials and detailed FAQs further strengthens their credibility. However, the lack of transparent domain registration data and absence of phone contact information may limit trust for some clients.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates basic security hygiene with HTTPS usage and no exposed sensitive data in the HTML. However, the absence of HTTP security headers such as Content Security Policy, HSTS, and X-Frame-Options reduces the overall security posture. There is no published incident response or vulnerability disclosure policy, which is a gap in security governance. The platform enforces email authenticity verification and device information checks at the API level, which are positive security controls for the service itself. No known vulnerabilities or outdated libraries were detected in the frontend stack. Privacy compliance is partial, with a privacy policy present but no cookie consent mechanism or GDPR-specific indicators. Overall, the security posture is moderate but could be enhanced with additional headers, policies, and compliance mechanisms.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive HTTP security headers including CSP, HSTS, and X-Frame-Options to protect against common web attacks.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
深圳千刻网络科技有限公司
MailZun是专业的EDM营销平台邮件营销发送系统，超过96%送达率和90%进箱率，核心使命是为企业打造高效、精准的电子邮件营销方案。提供触发式邮件推送和陌生列表开发信群发服务，支持多场景邮件类型。
excellent
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- HTTPS usage (assumed from URL)
- No exposed sensitive data in HTML
- No visible vulnerable libraries
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content and no blocking detected.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Missing Referrer-Policy header
LOWControls referrer information sent with requests
Missing Permissions-Policy header
MEDIUMControls browser features and APIs
Sensitive data may be cached
LOWCache-Control header should include "no-store" for sensitive pages
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
No Data Protection Officer mentioned
LOWLarge organizations may need to designate a DPO under GDPR
Privacy policy may not be GDPR compliant
MEDIUMPrivacy policy lacks explicit GDPR compliance elements
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans
No business continuity planning found
MEDIUMNIS2 emphasizes operational resilience and business continuity
No security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
Critical sector without clear security compliance
HIGHDetected sectors: transport, banking, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
DMARC not enforcing
MEDIUMDMARC policy is set to "none"
No DMARC reporting
LOWDMARC aggregate reports not configured
No BIMI Record
LOWBIMI displays brand logos in email clients
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues
SPF Details
DKIM Selectors Found
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Weak Protocols Supported
HIGHServer supports weak protocols: TLSv1.1
OCSP Stapling Not Enabled
LOWOCSP stapling improves performance and privacy
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 51 days
Partial SSL/TLS Assessment
LOWCompleted 3 of 4 security checks due to time constraints
Protocol Support
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
Domain Transfer Lock Not Enabled
MEDIUMDomain can be transferred without authorization
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
DMARC Policy Set to None
LOWDMARC is configured but not enforcing any policy
Domain Registration Details
- •No domain protection locks enabled
DNS Records
DNSSEC Status
SPF Analysis
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
Service Exposed: SSH
MEDIUMPort 22 (SSH) is publicly accessible - SSH - Secure but can be brute-forced
How does mailzun.com compare?
See how mailzun.com stacks up against similar websites in the same industry.
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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PDF Report & Export
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Marketing Intelligence
Contact emails, phone numbers & warm leads
Plan Comparison
| Feature | PDF Report | Marketing+ |
|---|---|---|
| Full security analysis | ||
| Professional PDF export | ||
| Email delivery | ||
| Lifetime access + unlock code | ||
| Contact emails & phones | — | |
| Marketing outreach data | — |
Already purchased?
Order summary
Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.
Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.
SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
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