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How to change your hostname

The hostname is the name you give your server.  It needs to be a fully qualified domain name, meaning it needs to resolve, and should resolve to your server IP.

The value of your hostname should be in the form similar to:

where you run/manage (usually something like your webhost domain).  The value "server" or something like that needs to be in front of it.  (ns1 or www are both valid).   You cannot use just "" as the hostname, as this will conflict with the email in your actual hosting account (with regards to how system accounts get their emails).

To change your hostname:
  1. Go to:

    Admin Level -> Admin Settings -> Server's Hostname

    set it there, and allow 1 minute for DA to restart.

  2. DA 1.52.2+ No longer requires this step due to functionality change, DA will rename the hostname zone for you:

    1.52.1 and older
    The hostname must resolve, so go to:

    Admin Level -> DNS Administration -> Add Zone

    and create an entire new zone:

    Domain Name:
    IP Address: (your server IP)

    where is your new hostname, the server IP address will usually be your license/main IP, and the ns1/ns2 values can be whatever your uses.  Leave the "Create Reverse IP Lookup" checkbox disabled/unchecked.
    The reason we add a new zone for the hostname is to ensure that
    - it resolves
    - it has it's own MX record, so email from the hostname are valid. Without the MX records, many of your emails (eg: from the php/apache "mail()" function) may be rejected.

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