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© 2026 SpidyOps Inc. All rights reserved.

$status:last deploy2026-07-25

← /tools / email-security

Email security checker

Enter your domain and we'll check whether someone can spoof email from it — auditing your SPF, DMARC, DKIM, and MX records, grading your protection, and giving you the exact fixes.

Runs on our servers (public DNS lookups only — SPF, DMARC, DKIM, MX). We store nothing.