PTR record is not required by DNS, but it is often used to provide additional information about a domain. Pointer records are frequently employed to verify the legitimacy of an IP address and help reduce the risk of malicious activities on the domain. Additionally, PTR records can help improve email deliverability and domain reputation, ensuring your emails reach their intended recipient. PTR records are also helpful in identifying the source of certain types of malicious activities, allowing you to pinpoint their origin. Ultimately, PTR records offer an additional layer of security and assurance that your domain is operating as expected. Read more interesting details about the PTR record!