How does rDNS (Reverse DNS) work?

After you set up your Forward DNS and add your DNS records, it is a great idea to set up a rDNS (Reverse DNS)! When you try to send an email from the domain, you will probably notice a problem. Your emails will go missing or to the SPAM folder. And this is something nobody wants for their business. So, now let’s explain a little bit more about rDNS (Reverse DNS).

What is rDNS?

Reverse DNS is also known as rDNS. It has the opposite purpose to a Forward DNS, which is to map IP addresses to hostnames. The main reason for using the Reverse DNS is to implement a way to verify the IP addresses and prove that they are related to a particular domain name. It is mainly necessary when we are talking about the verification of mail servers or other services. 

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