Reverse DNS

This article explains how to set up Reverse DNS, or PTR records, for your server from the customer Dashboard.

Setting Up Reverse DNS For Your Server (IPv4 & IPv6)

By default when deploying your server, a PTR record is set up for both the IPv4 and IPv6 address of your server. It uses the domain you specified during the deployment process. However if you want to change this, follow the steps below:

  1. Log into your Dashboard.
  2. From the top-right menu, click the Servers link.
  3. Locate the server you are wanting to adjust the records for from the list, and click Dashboard on the right hand side of the table for that server.
  4. On the overview page for that server, there are tabs at the top. Select the Networking tab.
  5. Towards the bottom of this page, you will see two entries that you can edit:
    1. IPv4 Reverse DNS (PTR) Entries
    2. IPv6 Reverse DNS (PTR) Entries
  6. To the right of each entry is the Action column. Click the Edit button and make the desired changes. Then Save the changes.
  7. The records should now be changed / added, and should instantly take effect.


Checking Your Reverse DNS / PTR Record

Linux
Simply run a 'dig -x' against the IP address:

dig -x ipv4.address.here

Online
You can also use this online tool to check.

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