The ‘pointer’ record is exactly the opposite of the ‘A’ record; the PTR address will give you the domain associated with a given IP address. The PTR record is used in reverse-lookup zones for reverse DNS searches.

Example of an PTR record:

example.comrecord type:value:TTL

The value here represents an email address , which can be confusing because it’s missing the ‘@’ sign, but in an SOA record, is the equivalent of