DMARC Defender
liveCheck your domain for email security records like DMARC, SPF, DKIM.
SecurityEmail Management
What It Does
Details
DMARC Defender is a tool that queries public DNS servers to check domains for various email authentication and security protocols such as DMARC, SPF, DKIM, BIMI, TLS-RPT, and MTA-STS. It evaluates the syntax, coverage, and policy quality of these records.
Who It's For
Best fit users
- •Email administrators
- •Website owners
Why It Matters
Why this one made the cut
Ensuring proper configuration of email security records helps protect against phishing attacks and improves deliverability by validating sender authenticity.
Differentiator
What makes it different
DMARC Defender offers a comprehensive analysis including actionable insights on how to improve domain security settings.
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