Functions/Get-DNSHostEntryAsync.ps1
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function Get-DNSHostEntryAsync { <# .SYNOPSIS Performs a DNS Get Host asynchronously .DESCRIPTION Performs a DNS Get Host asynchronously .EXAMPLE Get-DNSHostEntryAsync -Computername google.com,prox-hyperv,bing.com, github.com, powershellgallery.com, powershell.org .EXAMPLE Get-DNSHostEntryAsync -ComputerName 8.8.8.8, ibm.com Would return: ComputerName Result ------------ ------ 8.8.8.8 dns.google ibm.com 129.42.38.10 .OUTPUTS Net.AsyncGetHostResult .NOTES Inspired by: Get-DNSHostEntryAsync by Boe Prox Changes: * added example to comment based help * slight formatting changes #> #Requires -Version 3.0 [OutputType('Net.AsyncGetHostResult')] [CmdletBinding(ConfirmImpact='None')] Param ( [parameter(ValueFromPipeline)] [Alias('CN', 'Server')] [string[]] $ComputerName ) begin { Write-Verbose -Message "Starting [$($MyInvocation.Mycommand)]" $Computerlist = New-Object -TypeName System.Collections.ArrayList if ($PSBoundParameters.ContainsKey('ComputerName')) { $null = $Computerlist.AddRange($ComputerName) } else { $IsPipeline = $True } } process { If ($IsPipeline) { $null = $Computerlist.Add($ComputerName) } } end { $Task = ForEach ($Computer in $Computername) { If (([bool]($Computer -as [ipaddress]))) { [pscustomobject] @{ Computername = $Computer Task = [system.net.dns]::GetHostEntryAsync($Computer) } } Else { [pscustomobject] @{ Computername = $Computer Task = [system.net.dns]::GetHostAddressesAsync($Computer) } } } try { $null = [Threading.Tasks.Task]::WaitAll($Task.Task) } catch { Write-Error -Message 'Error encountered'} $Task | ForEach-Object { $Result = if ($_.Task.IsFaulted) { $_.Task.Exception.InnerException.Message } else { if ($_.Task.Result.IPAddressToString) { $_.Task.Result.IPAddressToString } else { $_.Task.Result.HostName } } $Object = [pscustomobject] @{ ComputerName = $_.Computername Result = $Result } $Object.pstypenames.insert(0,'Net.AsyncGetHostResult') $Object } Write-Verbose -Message "Ending [$($MyInvocation.Mycommand)]" } } |