Reverse DNS is an additional service provided by your DNS hosting provider. It gives you the ability to link a particular IP address (IPv4 or IPv6) to the corresponding domain name. You can use a simple tool – the Dig command to see if you configured your Reverse DNS properly. The Dig command is a simple tool with a command-line interface (CLI). It is very easy to use the command and test your Reverse DNS, also you will receive a lot of valuable information. Find out how to check your Reverse DNS with the Dig command!