Change the domain name of a port on a private network

Last update: January 14 2026

If you connected the network to a zone when you configured DNS on the private network in step 5, you can change the domain name of the port manually. This will update the A- or AAAA record in the zone automatically.

Control panel

1. In the Dashboard, on the top menu, click Products and select Cloud Servers.

2. Go to Network → Private Networks tab.

3. Open the subnet card → Ports tab.

4. In the port bar next to the domain name, click .

5. Enter a new domain name.

6. Click Save.

OpenStack CLI

1. Open the OpenStack CLI.

2. Look at the list of ports in the subnet and copy the ID or name of the desired port:

   openstack port list subnet=<subnet>

   Specify <subnet> - The ID or name of the subnet, can be viewed with the openstack subnet list command.

3. Delete the port:

   openstack port set --dns-name <subdomain> <port>

   Specify:

   • <subdomain> - new domain name of the port, maximum 63 characters - digits, Latin letters and hyphens;
   • <port> - The ID or name of the port you copied in step 2.