What is a Pointer record in DNS?
A)It is a reverse record (a mapping of an IP address to a hostname).
B)It is a mapping of a hostname to an IP address.
C)It is a record to locate a Mail server.
D)It is a record to locate an LDAP server.

Question

Quizplus · Accepted Answer

A Pointer (PTR) record in DNS is used for reverse DNS lookups, mapping an IP address back to its associated hostname. This is the opposite of the more common A record, which maps a hostname to an IP address.

What Is a Pointer Record in DNS