Is pub400.com Safe? Security Analysis for POWERbunker.com
https://pub400.comCheck if pub400.com is a scam or legitimate. Free security scan and reviews.
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
PUB400.COM operates as a free and public IBM i 7.5 server platform aimed at the IBM i community, providing users with a programming and learning environment. The website serves over 55,000 users worldwide and offers features such as user profile creation, disk storage, and support for various programming languages including CL, RPG, SQL, and COBOL. The business model is community-focused and educational, with no commercial transactions evident. Technically, the site uses basic HTML, CSS, and IBM i Net.Data technology, with no advanced CMS or frameworks detected. Performance is moderate with basic mobile optimization and accessibility. Security posture is limited, lacking DNSSEC, security headers, and visible HTTPS enforcement, and no privacy or cookie policies are published. The domain registration is stable and consistent with the website's purpose, though the domain age is younger than the claimed service history, suggesting possible re-registration or domain change. Overall, the site is functional and trustworthy for its niche audience but requires improvements in security and privacy compliance to enhance trust and protection.
Detected Technologies
16 urgent findings need attention
3 critical · 13 high
- + 8 more findings in the full report below
Keep pub400.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
8 findings
25/100
GDPR Compliance
3 findings
50/100
NIS2 Compliance
8 findings
10/100
Email Security
5 findings
60/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
PUB400.COM holds a niche position as the largest public IBM i server community platform, targeting developers and learners interested in IBM i operating system programming. Its competitive advantage lies in offering free access to a specialized server environment with community support through forums and chat. The business model is non-commercial, focusing on education and community engagement. Growth indicators include an average of 35 new users per day and a user base exceeding 55,000. The partnership with POWERbunker.com suggests a stable operational backing. However, the lack of formal business contact information and policies limits broader commercial credibility. Strategic observations include the need to formalize privacy and security policies and improve technical infrastructure to support scalability and compliance.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a basic security maturity level with some protective measures such as domain transfer lock (clientTransferProhibited). However, critical gaps exist including absence of DNSSEC, no visible HTTPS enforcement or security headers, and no published privacy or incident response policies. The lack of cookie consent mechanisms and vulnerability disclosure processes further weakens compliance with GDPR and best practices. No exposed sensitive data or malware indicators were found, but the security posture is insufficient for higher trust levels. Incident response readiness appears minimal with no dedicated contact channels for security issues. Overall, the security culture is informal and could benefit from structured policies and technical enhancements.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC and enforce HTTPS with HSTS to improve domain and transport security.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
POWERbunker.com
PUB400.COM is a free and public IBM i 7.5 server offering users the ability to create user profiles with 500MB disk storage and private libraries. It serves as a learning and testing environment for IBM i operating system programming and development.
good
moderate
Technical Stack
moderate
basic
basic
basic
Security Assessment
- Domain status clientTransferProhibited
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website provides a free public IBM i server environment for learning and development.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Weak Strict-Transport-Security configuration
LOWCurrent value: "max-age=172800"
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 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
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 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: energy, 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
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
Mixed Content Detected
MEDIUM7 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
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
High-Risk Service Exposed: FTP
HIGHPort 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
Critical Service Exposed: Telnet
CRITICALPort 23 (Telnet) is publicly accessible - Telnet - Unencrypted remote access
Critical Service Exposed: PostgreSQL
CRITICALPort 5432 (PostgreSQL) is publicly accessible - PostgreSQL - Database server
How does pub400.com compare?
pub400.com 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
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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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