How to configure reverse DNS

Estimated reading time: 1 min

Introduction

reverse DNS (also known as rDNS) allows you to link an IP address to a subdomain. This is the opposite of regular (forward) DNS where you can link a domain to an IP address. reverse DNS is one of the ways email servers use to verify that the sending server is not a malicious spammer. You can see it as an extra layer of security to your e-mail. If there is no valid rDNS setting, most email servers will reject the emails or mark it as spam. If the sending email server doesn’t have a reverse DNS record at all, that’s usually a sign of spam and the email sent from such server is rejected by most email servers. 

In this tutorial, you will learn how to configure reverse DNS. 

Step 1: Log in to your My.snel.com client area

You can manually configure your reverse DNS settings in your My.snel.com client area.

Go to https://my.snel.com/clientarea/ and click on the service of which you would like to configure the reverse DNS settings:

Add rDNS 01

Step 2:  Go to IP Management or Network

For Dedicated Servers:

Go to IP Management and click on Edit in order to change the reverse DNS. 

Add rDNS 02

Assign the IP address in the corresponding reverse DNS entry and click Submit

Add rDNS 03


For Cloud VPS:

Go to Network and click Reverse DNS

Add rDNS VPS 01

Assign the IP address in the corresponding reverse DNS entry and click Update Reverse DNS

Add rDNS VPS 02

Conclusion

Congratulations! You have now configured reverse DNS in your My.snel.com client area for your dedicated server or Cloud VPS. 

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