Is tcl-lang.org Safe? Security Analysis for Tcl Developer Xchange
https://tcl-lang.orgCheck if tcl-lang.org 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
The website www.tcl-lang.org serves as the main developer resource hub for the Tcl programming language and its Tk graphical user interface toolkit. It provides software downloads, documentation, community resources, and core development information. The site targets software developers and programmers interested in Tcl/Tk, positioning itself as a mature and evolving open source technology with commercial support partnerships such as ActiveState. The business model is community-driven with supplemental commercial offerings. Technically, the site uses basic HTML and CSS with Google Site Search integration and is hosted by ActiveState. Performance and mobile optimization are moderate to basic, with room for improvement in accessibility and SEO. Security posture is moderate; while no critical vulnerabilities or exposed sensitive data are evident, the site lacks security headers and published security policies. WHOIS data is incomplete, which slightly reduces trust but does not outweigh the legitimacy indicated by the content and hosting. Privacy and cookie policies are absent, indicating a gap in compliance. Overall, the site is functional and trustworthy for its niche audience but would benefit from enhanced security and privacy transparency.
Detected Technologies
12 urgent findings need attention
12 high
- + 4 more findings in the full report below
Keep tcl-lang.org 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
15/100
GDPR Compliance
3 findings
50/100
NIS2 Compliance
8 findings
17/100
Email Security
4 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The Tcl Developer Xchange operates in the technology sector as an important entity focused on programming language development and community support. Its market position is that of a niche but mature open source project with a dedicated developer base. The business model relies on open source community contributions supplemented by commercial partnerships, such as hosting by ActiveState and promotion of related commercial products like KomodoIDE. The target customers are software developers and organizations using Tcl/Tk. The site demonstrates consistent branding and trust signals through official software releases and community engagement. Growth indicators include active conference announcements and ongoing software updates. The partnership ecosystem includes ActiveState and other Tcl-related projects. Strategic observations suggest opportunities to improve compliance and security posture to enhance credibility and user trust.
Security Posture Analysis
Comprehensive Security Assessment
The security maturity of the site is moderate. The site uses HTTPS (implied by Cloudflare Insights script), but no explicit security headers were detected in the provided data. There is no evidence of exposed sensitive data or vulnerable libraries. However, the absence of privacy and cookie policies, security.txt, and incident response contact information indicates gaps in compliance and incident readiness. The WHOIS data is incomplete, which may be a registry or query issue but reduces transparency. No signs of malware or phishing were found. Overall, the site would benefit from implementing security best practices such as security headers, publishing privacy and cookie policies, and providing vulnerability disclosure information to improve trust and compliance.
Strategic Recommendations
Priority Actions for Security Improvement
Implement and enforce HTTPS with HSTS and other security headers (CSP, X-Frame-Options, X-Content-Type-Options).
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Tcl Developer Xchange
Tcl is a powerful, easy to learn dynamic programming language suitable for a wide range of uses including web, desktop applications, networking, administration, and testing. Tk is the standard GUI toolkit for Tcl and other dynamic languages, enabling cross-platform native applications.
good
consistent
Technical Stack
moderate
basic
basic
basic
Security Assessment
- No exposed sensitive data in HTML
- No visible vulnerable libraries
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a developer resource for Tcl/Tk programming language.
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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 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 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 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
SPF 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
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 54 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
Mixed Content Detected
MEDIUM10 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
SPF Analysis
⚡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 tcl-lang.org compare?
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🔧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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