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Can someone send email as your company?

CEO-impersonation and invoice fraud start with a spoofable domain. Enter yours — we check SPF, DKIM, DMARC and your Microsoft 365 setup and tell you, in plain language, whether attackers can pose as you. Most tools dump DNS records; this tells you your actual risk.

Read-only public DNS lookup. We don’t need your email to run the check.
Result

    Get the full report + how to fix each gap

    We will email your results, the step-by-step fix, and what your inbox exposure looks like because of it.

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    A spoofable domain is how CEO-impersonation and invoice fraud begin — and the same tactics land in your own inbox. Olyteck Guard catches inbound impersonation Microsoft misses. EU-hosted, no MX change, read-only.