Free tool · Email · Takes about 10 seconds

Free Email & Domain Security Check

See whether someone can send email pretending to be your business, and whether your domain's email and DNS protections are in place: SPF, DKIM, DMARC, encrypted delivery, DNSSEC and domain expiry.

Enter your domain and select Check domain.

About this check. This is a passive check of public DNS records for the domain you enter, plus its public registration date. It does not contact your mail servers, send email or log in. It is not a security assessment or legal advice, and a result with no problems does not mean your email is secure. Only check domains you own or manage.

What we keep: the address you checked, the time, the check result and a scrambled (hashed) form of your IP address, used to limit abuse and to improve this tool. Results are cached for 10 minutes. Read more in our privacy policy. Background: The New Email Takeover: Supplier Mailbox to Management BEC.

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