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.

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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 feat… Unlock the full Guard report to read the complete analysis.
Detected Technologies
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
Cancel anytime. Alerts sent to the contacts you choose. Unlock the full report to view historical timelines and alerts.
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.
Snapshot shown below. Unlock the full AI report for complete market insights, audience profiling, and step-by-step recommendations.
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
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✨Observations
AI-powered comprehensive website and business analysis.
A preview of your strategic observations is visible. Upgrade to unlock the full competitive positioning, trust signals, and branding checklist.
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.
🛡️Security Headers
HTTP security headers analysis and recommendations.
Some header findings are shown. Unlock to see the full checklist, impacted endpoints, and remediation guidance.
Security Headers
HTTP security headers analysis
Weak Strict-Transport-Security configuration
LOWCurrent value: "max-age=172800" Unlock the full report to read the complete fix.
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks Unlock the full report to read the complete fix.
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing Unlock the full report to read the complete fix.
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load Unlock the full report to read the complete fix.
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended) Unlock the full report to read the complete fix.
Missing Referrer-Policy header
LOWControls referrer information sent with requests Unlock the full report to read the complete fix.
Missing Permissions-Policy header
MEDIUMControls browser features and APIs Unlock the full report to read the complete fix.
Sensitive data may be cached
LOWCache-Control header should include "no-store" for sensitive pages Unlock the full report to read the complete fix.
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
Preview of GDPR checkpoints is visible. Unlock to reveal full evidence, policy excerpts, and DPIA guidance.
GDPR Compliance
Privacy and data protection assessment
No Privacy Policy found
HIGHGDPR requires a clear and accessible privacy policy Unlock the full report to read the complete fix.
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage Unlock the full report to read the complete fix.
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies Unlock the full report to read the complete fix.
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
You can see headline NIS2 checks. Upgrade to access the full control mapping, severity breakdown, and remediation plan.
NIS2 Compliance
Network & Information Security Directive
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures Unlock the full report to read the complete fix.
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure Unlock the full report to read the complete fix.
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management Unlock the full report to read the complete fix.
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans Unlock the full report to read the complete fix.
No security contact information
HIGHNIS2 requires clear incident reporting channels Unlock the full report to read the complete fix.
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure Unlock the full report to read the complete fix.
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts Unlock the full report to read the complete fix.
Critical sector without clear security compliance
HIGHDetected sectors: energy, transport, digital Unlock the full report to read the complete fix.
📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Quick view of email authentication checks is provided. Unlock to uncover full DNS evidence, record diffs, and fix scripts.
Email Security
SPF, DKIM, and DMARC validation
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails Unlock the full report to read the complete fix.
No BIMI Record
LOWBIMI displays brand logos in email clients Unlock the full report to read the complete fix.
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery Unlock the full report to read the complete fix.
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues Unlock the full report to read the complete fix.
No email authentication configured
CRITICALDomain is vulnerable to email spoofing Unlock the full report to read the complete fix.
🏆SSL/TLS Security
Certificate validity and encryption analysis.
This is a teaser of the TLS audit. Unlock to view certificate chains, cipher support tables, and remediation steps.
SSL/TLS Security
Certificate validity and encryption analysis
Weak Protocols Supported
HIGHServer supports weak protocols: TLSv1.1 Unlock the full report to read the complete fix.
OCSP Stapling Not Enabled
LOWOCSP stapling improves performance and privacy Unlock the full report to read the complete fix.
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs Unlock the full report to read the complete fix.
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak Unlock the full report to read the complete fix.
Mixed Content Detected
MEDIUM7 resources loaded over insecure HTTP Unlock the full report to read the complete fix.
Partial SSL/TLS Assessment
LOWCompleted 3 of 4 security checks due to time constraints Unlock the full report to read the complete fix.
Protocol Support
OCSP Status
📊DNS Health
DNS configuration and security assessment.
Unlock the full DNS posture audit to reveal misconfigurations, zone records, and actionable fixes.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain Unlock the full report to read the complete fix.
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found Unlock the full report to read the complete fix.
Domain Delete Lock Not Enabled
LOWDomain can be deleted without additional verification Unlock the full report to read the complete fix.
No DMARC Record
MEDIUMDMARC policy not configured Unlock the full report to read the complete fix.
Domain Registration Details
DNS Records
DNSSEC Status
DNS Performance
⚡Network Security
Port scanning and network exposure analysis.
See a glimpse of exposed services. Unlock to access full port inventories, CVE lookups, and mitigation priorities.
Network Security
Port scanning and network exposure analysis
High-Risk Service Exposed: FTP
HIGHPort 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer Unlock the full report to read the complete fix.
Critical Service Exposed: Telnet
CRITICALPort 23 (Telnet) is publicly accessible - Telnet - Unencrypted remote access Unlock the full report to read the complete fix.
Critical Service Exposed: PostgreSQL
CRITICALPort 5432 (PostgreSQL) is publicly accessible - PostgreSQL - Database server Unlock the full report to read the complete fix.
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Unlock to view the complete technical breakdown, stack fingerprinting, and hardening checklist.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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