Frequently Asked Questions on Reverse DNS – FAQ
What happens when visit a website by typing the IP address instead of the domain name?
If the IP address has the properly set up reverse DNS record (PTR record) your browser will take you to the correct website. If not you will likely get the error message.
How can reverse DNS help stop spam emails?
Many email servers use the reverse DNS to check the incoming email IP address has the valid domain name associated with it. If not the email may be marked as the spam.
My website analytics shows a lot of IP addresses instead of domain names. Can reverse DNS fix this?
Yes, reverse DNS can convert those IP addresses into more readable domain names in your analytics reports, making the data easier to understand.
I run a small business website. Do I really need to set up reverse DNS?
While not absolutely required, setting up reverse DNS is a good practice. It can help prevent issues with some internet systems and make your website seem more legitimate.
How can I check the website IP address has a reverse DNS record configured?
You can use the online reverse DNS lookup tool and enter your websites IP address. It will show you the domain name associated with the IP address if the reverse DNS records exists.
What is Reverse DNS?
The Reverse DNS is the method to find the domain name of the computer from the IP address. IP addresses are the set of numbers that computers use to identify each other on the internet.