Is maileon.cz Safe? Security Analysis for Mailnatives s.r.o.
https://maileon.czCheck if maileon.cz is a scam or legitimate. Free security scan and reviews.
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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
Maileon.cz is a Czech Republic-based email marketing platform operated by Mailnatives s.r.o., founded in 2016. The company offers a professional SaaS solution for managing email campaigns and transactional emails, focusing on intelligent emailing with features such as segmentation, automation, tracking, and API integration. The website presents a professional and consistent brand image targeting businesses and marketing professionals in the Czech and CEE regions. Technically, the site uses standard web technologies including HTML5, CSS3, JavaScript, and jQuery, with embedded YouTube video content. While the site is mobile optimized and accessible, some technical aspects such as the use of an outdated jQuery version and lack of visible security headers suggest room for improvement. Security posture is moderate with no critical vulnerabilities detected but lacking explicit security policies and headers. Privacy compliance is weak due to the absence of privacy and cookie policies despite GDPR badges displayed. Overall, the website is trustworthy and professionally maintained but would benefit from enhanced privacy and security documentation to improve compliance and user trust.
Detected Technologies
15 urgent findings need attention
2 critical · 13 high
- + 7 more findings in the full report below
Keep maileon.cz 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
5 findings
10/100
NIS2 Compliance
9 findings
2/100
Email Security
5 findings
60/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Maileon operates in the technology sector providing email marketing and transactional email services primarily to businesses in the Czech Republic and CEE region. The company leverages a SaaS business model with key services including campaign management, customer profiling, segmentation, automation, and API integration. The presence of reputable client logos such as Bosch and Lufthansa indicates a solid market position and trust. The company is small-sized but shows professional branding and a clear focus on email marketing technology. Its partnership with Mailnatives s.r.o. strengthens its regional presence. The website content and structure support lead generation through demo offers and newsletter subscriptions, indicating a growth-oriented approach. However, the lack of detailed privacy and security policies may impact customer confidence in regulated markets.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (1)
Company Registration
Mailnatives s.r.o.
07891768
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate security posture with HTTPS assumed but not explicitly confirmed in the data. No security headers such as Content Security Policy or HSTS were detected, and the use of an outdated jQuery version (1.10.2) could pose potential security risks. There is no visible incident response or vulnerability disclosure information, which limits transparency in security management. The site does not expose sensitive data in the HTML, and forms appear to be standard with required email input for newsletter subscription. GDPR compliance is indicated by badges but lacks supporting documentation. Overall, the security maturity is adequate for a small technology service provider but requires improvements in security headers, updated libraries, and published security policies to enhance resilience and compliance.
Strategic Recommendations
Priority Actions for Security Improvement
Publish comprehensive privacy and cookie policies clearly accessible from the website footer or main menu.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Mailnatives s.r.o.
Maileon is a professional solution for managing email campaigns and transactional messages, offering intelligent emailing with proven results, including features like deliverability, segmentation, automation, tracking, and integration.
good
consistent
Technical Stack
moderate
good
good
basic
Security Assessment
- No exposed sensitive data in HTML
- Use of HTTPS assumed but not confirmed from data
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenges.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Strict-Transport-Security header
HIGHForces HTTPS connections
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
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 Privacy Policy found
HIGHGDPR requires a clear and accessible privacy policy
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
EU business without adequate privacy measures
CRITICALEU businesses are subject to strict GDPR requirements
Third-party services without privacy policy
HIGHDetected services: YouTube, Google APIs
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, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
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
No email authentication configured
CRITICALDomain is vulnerable to email spoofing
🏆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 31 days
Mixed Content Detected
MEDIUM1 resources loaded over insecure HTTP
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
No Name Servers Found
HIGHUnable to find name servers for domain
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
No DMARC Record
MEDIUMDMARC policy not configured
Domain Registration Details
DNS Records
DNSSEC Status
DNS Performance
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does maileon.cz compare?
maileon.cz scores below average. Browse similar domains to see how competitors handle security.
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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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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