Email & Deliverability

Shows whether the domain appears to publish DKIM keys under the selector names mail providers commonly use.

Shows whether the domain has a meaningful anti-spoofing policy and the reporting needed to trust it.

Checks whether the domain's mail-sending IPs appear on DNS-based email blacklists.

Shows whether the domain authorises the right mail senders without breaking SPF evaluation.

Shows whether the domain is properly set up to receive email at all.

Tests whether the mail server allows relaying email to external domains without authentication.

Shows whether mail can be transported with encryption instead of being exposed in clear text.

Shows whether your mail server IPs look credible and well identified to other mail systems.

Shows whether the published mail server is actually reachable from the public internet.

Shows whether your mail server presents itself like a trustworthy, correctly configured mail system.

Shows whether the domain is ready for brand-logo display in supporting inboxes.

Shows whether the mail server accepts email for any recipient address, including ones that do not exist.