Redirect preventing Network Admin page access

Hi, we have site that we have taken over for a customer, it is a multisite site. The problem we are having is the site it hosted on https://domain.com, this is then setup to that if anyone accesses this link, it will take you to primary.domain.com or location.domain.com based on geo location routing. However due to the fact that the site was setup as domain.com. When we try and access the network-admin page for the multisite domain.com/wp-admin/network. It redirects us to primary.domain.com/wp-admin/network this doesn’t exist as it is a subsite and we get a 404. Is there any option or way that we can have domain.com/wp-admin/network rather be hosted on primary.domain.com/wp-admin/network so that we can manage the network admin details for all the subsites from there? The customer is managing the DNS and they have only put on a record in place that directs domain.com to our hosting environment.