Features, pricing, ratings, and pros & cons — compared head-to-head.
check-my-headers is a free security scanning tool. DNSAudit.io is a free security scanning tool by DNSAudit.io. Compare features, ratings, integrations, and community reviews side by side to find the best security scanning fit for your security stack.
Based on our analysis of NIST CSF 2.0 coverage, core features, company size fit, deployment model, here is our conclusion:
DevSecOps teams and individual developers who need fast HTTP header validation in CI/CD pipelines will find check-my-headers invaluable because it catches misconfigured security headers before they reach production, with zero setup friction. The tool runs as a Node.js module, integrating directly into build processes without requiring infrastructure or credentials. Skip this if you need runtime monitoring of header behavior in production or policy enforcement across an organization; check-my-headers is a point-in-time scanner, not a continuous compliance tool.
A Node.js tool that analyzes HTTP security headers on websites to identify missing or problematic security configurations.
Free DNS security scanner that checks domains for misconfigs and exposure.
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Recent Reviews
I started using DNSAudit.io to do a quick sanity check on a client's domain before a migration. Ended up finding a wildcard DNS entry that had been sitting there for years, completely forgotten. The scan is fast and doesn't require an account, which matters when you're jumping between client environments. The scoring breakdown is actually useful, not just a traffic light. It tells you what's wrong and why. And I really love they also explain how to fix all the issues you find in the results!! Also i have started using its api as well and its works amazingly good for integrations
Solid free tool for a first pass on DNS security posture. Useful if you need to hand a non-technical stakeholder something with a score and clear findings. Checks zone transfer exposure, SPF/DMARC/DKIM, DNSSEC, and a bunch of other things I normally have to check manually with dig.
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Common questions about comparing check-my-headers vs DNSAudit.io for your security scanning needs.
check-my-headers: A Node.js tool that analyzes HTTP security headers on websites to identify missing or problematic security configurations..
DNSAudit.io: Free DNS security scanner that checks domains for misconfigs and exposure. built by DNSAudit.io. Core capabilities include 40+ automated DNS security checks per domain scan, DNS security score and letter grade (A+ to F), SPF, DMARC, and DKIM validation..
Both serve the Security Scanning market but differ in approach, feature depth, and target audience.
check-my-headers and DNSAudit.io serve similar Security Scanning use cases: both are Security Scanning tools, both cover Security Scanning. Key differences: check-my-headers is open-source. Review the feature comparison above to determine which fits your requirements.
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