Is regextester.com Safe? Security Analysis for Dan's Tools
Check if regextester.com is a scam or legitimate. Free security scan and reviews.

AI Summary
RegexTester.com is an online tool focused on providing developers and programmers with a platform to test, debug, and learn regular expressions in Javascript and PCRE. The site is part of Dan's Tools, a collection of web development utilities. It offers features such as real-time regex evaluation, a library of common regex patterns, and conversion tools linked from the navigation menu. The business model appears to be free access supported primarily by advertising and affiliate marketing partnerships, notably with SEMrush. The target audience is technical users seeking regex assistance.
Detected Technologies
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The website occupies a niche within the web development and programming community, offering a specialized utility that complements other developer tools. Its competitive advantage lies in ease of use, real-time feedback, and a curated library of regex examples. Revenue streams are likely ad-based and affiliate commissions. The site integrates with several external domains for content delivery and marketing. However, the lack of explicit business contact information, privacy policies, and WHOIS transparency may limit trust and growth potential. The partnership with SEMrush indicates some level of monetization and marketing ecosystem integration.
Security Posture Analysis
Comprehensive Security Assessment
The security posture of RegexTester.com is moderate but with notable gaps. The site uses HTTPS and reputable third-party services like Google Analytics and Adsense. However, no security headers such as CSP, HSTS, or X-Frame-Options were detected in the provided data. Forms on the site lack visible anti-CSRF tokens or privacy disclosures, which could expose users to risks. The absence of privacy and cookie policies also indicates compliance gaps, particularly with GDPR. WHOIS data is missing, which raises concerns about domain legitimacy and transparency. Overall, while no critical vulnerabilities are evident, improvements in security best practices and compliance are recommended.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive privacy and cookie policies with explicit user consent mechanisms to improve GDPR compliance.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Dan's Tools
Regular Expression Tester with highlighting for Javascript and PCRE. Quickly test and debug your regex.
good
consistent
Technical Stack
moderate
basic
basic
basic
Security Assessment
- Use of HTTPS implied by URL
- No visible exposure of sensitive data in HTML
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a specialized tool for regex testing and debugging.
🛡️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
👤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
Third-party services without privacy policy
HIGHDetected services: Google Analytics, Twitter, 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: energy, transport, digital
📧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 85 days
Mixed Content Detected
MEDIUM84 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
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings