CompTIA PenTest+ Practice Test

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Which DNS record should be analyzed to identify any human-readable records, domain verifications, and domain authentications?

A
MX
CNAME
TXT

The correct answer is: TXT

The TXT record is the correct choice for analyzing human-readable information, domain verifications, and domain authentications. This type of DNS record allows the domain owner to insert arbitrary text into the DNS. It is commonly used for various purposes, including setting up SPF (Sender Policy Framework) records, which help prevent email spoofing, and for domain verification processes used by services such as Google Workspace or Microsoft 365. In contrast, other DNS record types serve different functions. The A record maps a domain name to an IPv4 address, the MX record is used for specifying mail exchange servers associated with a domain, and the CNAME record is employed for creating aliases for a domain but does not contain human-readable text for verification or authentication processes. Therefore, when it comes to identifying text-based information associated with a domain, the TXT record is the most relevant choice.