How to configure reverse DNS

Estimated reading time: 1 min

Introduction

 

With reverse DNS (rDNS) you link an IP address to a subdomain. This is the opposite of regular (forward) DNS where you link a domain to an IP.

Reverse DNS is used, among other things, to find out where an e-mail message comes from. This adds an extra layer of security to e-mail. Many e-mail servers are configured to reject e-mail or mark it as spam more quickly, if no valid rDNS is set for it.

 

You can manually configure your reverse DNS settings in our client area.

  1. Go to https://my.snel.com/clientarea/
  2. Click on the service for which you would like to manage reverse DNS settings:

    Add rDNS 01

    Add rDNS 01

For dedicated servers:

  1. Go to “IP Management” and click on “Edit” for each IP address you wish to change the reverse DNS.

    Add rDNS 02

    Add rDNS 02

  2. Assign the IP address a corresponding reverse DNS entry and click on “Submit”:

    Add rDNS 03

    Add rDNS 03

For VPS:

  1. Go to “Network” and click on “Reverse DNS”

    Add rDNS VPS 01

    Add rDNS VPS 01

  2. Assign the IP address a corresponding reverse DNS entry and click on “Update Reverse DNS”:

    Add rDNS VPS 02

    Add rDNS VPS 02

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