CompTIA Network+ (N10-008) — Question 690

Which of the following records is the main type in a reverse DNS lookup zone?

Answer options

• A. PTR
• B. AAAA
• C. CNAME
• D. TXT

Correct answer: A

Explanation

The correct answer is A. PTR records are specifically used for reverse DNS lookups to map an IP address to a domain name. The other options, such as AAAA, CNAME, and TXT, serve different purposes and are not used for reverse lookups.