Avoid System.Management.Automation.Internal.Host.InternalHost variable collision

certy.ps1

@@ -75,8 +75,8 @@ function Get-CommonZoneFromHosts {
     if (-not $fqdnHosts -or $fqdnHosts.Count -eq 0) { return "" }
 
     $commonSuffix = $null
-    foreach ($host in $fqdnHosts) {
-        $clean = $host.Trim().TrimEnd(".")
+    foreach ($hostName in $fqdnHosts) {
+        $clean = $hostName.Trim().TrimEnd(".")
         $labels = $clean -split "\."
         if ($labels.Count -lt 2) { continue }
         $zoneLabels = $labels[1..($labels.Count - 1)]