During the reconnaissance phase, a penetration tester collected the following information from the DNS records: A-----> www A-----> host TXT --> vpn.comptia.org SPF---> ip =2.2.2.2 Which of the…

The correct answer is C. DMARC. DMARC (Domain-based Message Authentication, Reporting & Conformance) is an email authentication protocol that helps prevent email spoofing and phishing. It builds on SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail) to provide a mechanism for email senders and…

Submitted by asante_acc· Mar 6, 2026Vulnerability Discovery and Analysis

Question

During the reconnaissance phase, a penetration tester collected the following information from the DNS records:

A-----> www A-----> host TXT --> vpn.comptia.org SPF---> ip =2.2.2.2 Which of the following DNS records should be in place to avoid phishing attacks using spoofing domain techniques?

Options

AMX
BSOA
CDMARC
DCNAME

How the community answered

(41 responses)

A
2% (1)
C
93% (38)
D
5% (2)

Explanation

DMARC (Domain-based Message Authentication, Reporting & Conformance) is an email authentication protocol that helps prevent email spoofing and phishing. It builds on SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail) to provide a mechanism for email senders and receivers to improve and monitor the protection of the domain from fraudulent email.

Topics

#DNS records#phishing prevention#DMARC#email security

Community Discussion

No community discussion yet for this question.

Full PT0-003 Practice