Use the result to make the next technical decision.
Expose HTTPS and HSTS values so you can verify that a long max-age, includeSubDomains and preload token are actually served where intended.
HSTS preload
Check the observable HSTS preload prerequisites.
Review public HTTPS/HSTS configuration before using the authoritative preload service for final eligibility or submission.
Result
Diagnostic result
Read observations in context.
Header inspection does not prove current preload-list membership or authoritative submission eligibility. Preloading is intentionally hard to undo and affects subdomains.
Marketing analytics never receive the target.
DotMoose records only the tool name and a coarse success/error outcome for marketing analytics. Active server diagnostics use bounded operational security logs without placing the entered domain, IP, URL, DNS answer or report contents into marketing telemetry.
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