Dev.to
7/9/2026

I built a security scanner, never shipped it, and finally finished the job
Short summary
Developer shipped SecURL, a comprehensive security scanner combining header, TLS, DMARC, SPF, DKIM, DNSSEC, and redirect checks with OWASP-ranked findings. After six months unshipped, they resolved UX issues, marketing gaps, and established Twitter/Product Hunt presence. Free at app.securl.online.
- •SecURL detects security issues across HTTP headers, TLS configuration, email trust records, third-party script exposure, and redirect chains in ~30 seconds
- •Author unshipped for six months but shipped after fixing UI gaps (viewport sizing, navigation truncation, color contrast), marketing site copy, and social presence
- •Free tool, no account required; feedback-driven tuning ongoing
Generated with AI, which can make mistakes.
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