Reviewed on 19 September 2023 • Published on 26 May 2021
Reverse DNS is the opposite of classic “forward” DNS, and maps an IP address to a hostname. This can be useful if, for example, you want to send emails from your server. If you are using the default reverse (*.poneytelecom.eu), you may experience problems with deliverability of your mails and during the subscription of certain tools like JMRP.