CompTIA
220-1201 · Question #361
Which DNS record is used by DMARC to verify the authenticity of email servers?
The correct answer is C. TXT. DMARC (Domain-based Message Authentication, Reporting, and Conformance) policies are published as TXT records in DNS to tell receiving servers how to handle emails that fail SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail) authentication checks, ensuring…
Submitted by ahmad_uae· Mar 30, 2026Networking
Question
Which DNS record is used by DMARC to verify the authenticity of email servers?
Options
- AMX
- BCNAME
- CTXT
- DA
How the community answered
(28 responses)- A4% (1)
- C96% (27)
Explanation
DMARC (Domain-based Message Authentication, Reporting, and Conformance) policies are published as TXT records in DNS to tell receiving servers how to handle emails that fail SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail) authentication checks, ensuring sender legitimacy.
Topics
#DNS records#DMARC#Email security
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