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Free IT Tools & Diagnostics

Check domain and email configurations with actionable results. All tools are free; expert help is always optional.

Available tools

SPF, DMARC, MX, DNS and optional DKIM selector analysis in one report.

Review SPF policy and basic configuration warnings.

Inspect published DMARC policy and enforcement.

View mail exchanger hosts and priorities.

Inspect nameservers and domain address records.

Verify TLS trust and hostname.

Check HTTPS response from this server.

Inspect HTTP status and redirect location.

Inspect HSTS, CSP and other security headers.

Inspect reported SPF, DKIM and DMARC results from pasted message headers.

More practical tools will be added after validation. These checks are free and expert assistance is optional.