Tenant customized nameservers, if designed because of the tenant operator, will probably be accessible to all zones belonging to any account that is a component in the tenant. Via API only. Sooner or later we plan on releasing tools for making certificate era even easier and even more computerized. https://edgarvgqcm.designertoblog.com/58055164/how-plesk-migration-can-save-you-time-stress-and-money