Is tempmail3.com Safe? Security Analysis for TempMail
https://tempmail3.com/Check if tempmail3.com 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
TempMail3.com is a recently established online service (2025) offering free, anonymous, and secure temporary email addresses to help users protect their real inboxes from spam and maintain privacy. The service operates without requiring user sign-up, providing instant disposable email addresses that auto-delete after a short period. Supported by advertising revenue, the website targets general internet users seeking quick and hassle-free disposable email solutions. Technically, the site is built on modern frameworks such as Next.js and React, hosted behind Cloudflare DNS, and optimized for performance and mobile responsiveness. Security posture is adequate with HTTPS enforced and domain transfer protection, but lacks DNSSEC and explicit security headers like CSP. Privacy compliance is basic with visible privacy and cookie policies and GDPR consent mechanisms. No direct contact information or advanced security policies are published, which limits transparency. Overall, the domain registration and website content are consistent and legitimate, positioning TempMail3 as a trustworthy player in the disposable email market.
Detected Technologies
10 urgent findings need attention
1 critical · 9 high
- + 2 more findings in the full report below
Keep tempmail3.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
3 findings
65/100
NIS2 Compliance
6 findings
47/100
Email Security
6 findings
40/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
TempMail3 operates in the technology sector providing disposable email services, a niche with growing demand due to privacy concerns and spam proliferation. The business model is free-to-use supported by Google Adsense and other ad networks. The website demonstrates consistent branding and user testimonials, enhancing credibility. The lack of direct contact info and certifications suggests a small-sized operation focused on service delivery rather than corporate scale. The service appeals broadly to privacy-conscious users, developers, marketers, and testers. The domain age aligns with the claimed launch year, indicating a new but professionally managed service. The advertising and analytics ecosystem is standard for free online services, with moderate user tracking. No partnerships or subsidiaries are identified.
Security Posture Analysis
Comprehensive Security Assessment
The website enforces HTTPS and uses reputable DNS hosting via Cloudflare, with domain status clientTransferProhibited to prevent unauthorized transfers. However, DNSSEC is not enabled, which is a recommended security enhancement. No explicit Content-Security-Policy or other advanced security headers were detected, which could mitigate risks like cross-site scripting. The site does not publish a security policy, incident response plan, or vulnerability disclosure program, limiting transparency and readiness for security incidents. No contact channels for security issues (e.g., security@ or abuse@ emails) are provided. The auto-deletion of emails and no personal data collection are positive privacy and security practices. Overall, the security posture is moderate but could be improved with additional policies and technical controls.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC on the domain to enhance DNS security and prevent spoofing.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
TempMail
Temp Mail provides free, anonymous, and secure temporary email addresses instantly without sign-up, helping users protect their inbox from spam and maintain privacy.
good
consistent
Technical Stack
fast
excellent
good
good
Security Assessment
- HTTPS enforced
- ClientTransferProhibited domain status
- No personal data collection on site
- Auto-deletion of emails to protect privacy
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a legitimate disposable email service launched recently.
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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
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
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
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No SPF record found
HIGHSPF helps prevent email spoofing
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
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 66 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
HSTS Missing includeSubDomains
LOWHSTS header does not include subdomains
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 Delete Lock Not Enabled
LOWDomain can be deleted without additional verification
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 tempmail3.com compare?
See how tempmail3.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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