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WHM Tutorial: DNS Functions and Tools

If you have a VPS or Dedicated server running cPanel, and your server is also running private nameservers, you will find the Web Host Manager’s (WHM’s) interface very useful when it comes to updating, creating, or removing DNS zone files for your domains.

Log in to your server’s WHM and find the navigation section on the left labeled DNS Functions.

WHM DNS Functions Described

Add a DNS Zone

Allows you to manually create entirely new DNS zone files. You do not need to create a DNS zone for a new domain account when creating a new account via WHM. The server software will automatically create a new zone file for the domain when you create an account.

Add an A Entry for your Hostname

Creates an A record in the relevant DNS zone file so the hostname of the server can be resolved. Example: If the server’s hostname is, WHM will look for a DNS zone file for and add a new A record to it pointing at the server’s primary IP address. If there is no record then the WHM will create an entirely new zone file called

Delete a DNS Zone

This tool allows you to manually remove DNS zone files stored on the server. Note that is very important that you are careful when using this tool. In most cases, DNS zone files do not need to be deleted manually when you are a terminating a domain account because the WHM will delete it automatically.

Edit DNS Zone

An easy to use graphical user interface for making manual edits to DNS zone files on the server. For more information please see our guide on Updating an A record in cPanel.

Edit MX Entry

Another graphical interface for modifying a domain’s Mail Exchange record (MX record). For more information please see our guide on Changing a Domain’s MX Record.

Edit Zone Templates

Allows editing of the server’s templates that are used when creating a new domain account or creating a new DNS zone file manually. Very rarely do these templates need to be modified.

Nameserver IPs

This tool gives you access to the IP configuration your server is using for its internal private nameservers. For more information please see our guide on Setting Up Private Nameservers in WHM/cPanel.

Park a Domain

“Parks” one domain on top of a different domain. In DNS terminology a simple park means one domain shows another domain’s content. For example, if you owned and you could create a domain account for and then use this tool to park on top of it.

Please note this is not the same as a “Virtual Park”, which is the cPanel equivalent of Add-on Domains (two or more domains sharing a single domain’s web space on the server as opposed to having their own unique accounts).

Perform a DNS Cleanup

Checks the server’s primary DNS configuration for duplicate DNS zone file entries and attempts to clean them up by removing all but one.

Reset a DNS Zone

Resets an existing DNS zone file to server defaults using the template system. It is HIGHLY recommended that you use this tool with caution as all modifications made to the domain’s DNS since it was created will be removed.

Setup/Edit Domain Forwarding

Redirects one domain to another domain. Note that the forwarding domain does not need to be on the local server, but you would still use this tool to set up the incoming redirection.

Synchronize DNS Records

This tool is only used when your server is part of a DNS cluster. DNS clustering is outside the scope of this guide but we will cover it in a future guidepost.

Remember, if you have any questions regarding the use of your WHM’s DNS tools please do not hesitate to contact us using the resources below!

=== Web’s Heroic Support is always available to assist customers with this or any other issue. If you need our assistance please contact us:
Toll-Free 1.800.580.4985
International 517.322.0434

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