Fixes

functions/public/Get-Nameserver.ps1

@@ -11,12 +11,12 @@ function Get-Nameserver {
         $visibleProperties = [System.Management.Automation.PSPropertySet]::new('DefaultDisplayPropertySet',$visiblePropertiesList)
 
         $_params = @{
-            Controller    = "tools"
-            SubController = "nameservers"
+            Controller    = [PS.IPAM.controllers]::tools
+            SubController = [PS.IPAM.subcontrollers]::nameservers
             Method        = "GET"
         }
         switch ($PSCmdlet.ParameterSetName) {
-            "ByID"      { $_nameserverId = $Id }
+            "ByID"      { $_nameserverId = $Id; break }
         }
         $_identifiers = @($_nameserverId)
         $_params.Add("Identifiers",$_identifiers)