Hostname zu IP Adresse ausgeben

$ipaddress=Get-Content -Path C:\Temp\input.txt

$results = @()

ForEach ($i in $ipaddress)

 {

 

$o=new-object psobject

$o | Add-Member -MemberType NoteProperty -Name hostname -Value ([System.Net.Dns]::GetHostByAddress($i).HostName)

$results +=$o

}

$results | Select-Object -Property hostname | Export-Csv C:\temp\output.csv