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Inspect My DNS

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Wrong result, missing provider, removal request, or just an idea — all of it is welcome, and the awkward ones are the most useful. Found a vulnerability in Inspect My DNS itself? That has its own report form and disclosure policy.

Results change as records change, so a scan from a few days ago can’t be reconstructed from the domain name alone — the /s/… share link is a permanent snapshot of exactly what we saw.

A result looks wrong

Tell us what you expected and what you saw. Every check has a stable id shown under its row — quoting it (mailauth.spf-lookups, say) makes it much quicker to find.

The reasoning behind each check is written down on the checks page, and it is meant to be arguable. If you think a check is measuring the wrong thing, that is a bug report, not a complaint.

The provider is wrong or missing

Provider attribution is fingerprint-based, so it is only as good as the fingerprint list. Tell us the domain and who actually runs it, and we will add the pattern.

Remove a domain’s history

Scan history for a domain is public. To have one removed, use the form above — no justification needed, and we will not ask for one, and the email field is optional for this specifically. Removal takes the domain out of history.

See Privacy for what is stored and for how long.

Abuse

If this service has sent traffic you did not want, tell us the timestamp and the address it came from and we will block the target. Scans are rate limited per requester and per domain, and every outbound request carries a User-Agent naming the tool and linking back here.

This tool never sends MAIL FROM or RCPT TO, and does no port scanning — it reads DNS, one HTTPS request, and an SMTP banner.