Detect domain risks before your users do.
Balou correlates DNS, TLS, email, security headers, SEO and performance in one traceable diagnosis with evidence, history and a clear next action.
Reproducible product proof
More than a score. An auditable finding.
Every priority stays connected to its measurement, evidence ID, methodology version and next verification.
Direct observation · TXT _dmarc
EVD-MAIL-004From one-off checks to a closed diagnostic workflow
A scan is only useful when cause, priority and the next verification stay connected.
Capture the whole picture
One domain scan checks DNS, TLS, mail, headers, SEO and performance with reproducible evidence IDs.
Prioritize root causes
Balou correlates findings, explains impact and separates critical causes from downstream symptoms.
Monitor change
Versioned reports and a durable monitoring queue expose new risks and regressions.
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Available Diagnostic & Developer Tools
Here is a curated selection of our most popular utilities. The suite contains 45 free tools for webmasters, developers, and administrators.
Network & DNS →
DNS Traversal (Trace)
Traces the DNS resolution path from root servers to the authoritative name server.
Launch ToolWHOIS & RDAP Lookup
Queries registration data, expiration date, and name servers of a domain (prefers RDAP).
Launch ToolPageSpeed Check
Measures loading times, performance, SEO, and Core Web Vitals via Google PageSpeed Insights.
Launch Toolrobots.txt & Sitemap Checker
Analyzes robots.txt syntax, sitemap.xml structure, and tests declared URLs.
Launch ToolSecurity & SSL →
SSL/TLS Check
Analyzes SSL/TLS certificates, certificate chains, expiration dates, and ciphers.
Launch ToolSecurity Header Check
Checks HTTP security headers (HSTS, CSP, X-Frame-Options) and provides server fixes.
Launch ToolMail Deliverability Suite
Performs a complete audit (SPF, DKIM, DMARC, BIMI, MX, SMTP, and DNSBL) for emails.
Launch ToolDomain Health Score
Aggregates DNS, SSL, Security Headers, PageSpeed, and Email Deliverability into a single score with AI recommendations.
Launch ToolEncoder/Crypto Pipeline
Chains local encode, decode, JSON, text, and SHA-256 steps into reusable recipes.
Launch ToolHash Generator & BCrypt
Creates MD5, SHA-1, SHA-256, SHA-512, PBKDF2, and server-side BCrypt hashes.
Launch ToolJWT Decoder
Decodes JSON Web Tokens (JWT) and visualizes payload, header, and expiration times.
Launch ToolUUID Generator
Generates cryptographically secure Universally Unique Identifiers (UUID v4).
Launch ToolDeveloper Utilities →
Regex Tester
Tests regular expressions in real-time with match highlighting and capture groups.
Launch Tool