Get-DnsConfiguration.ps1
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<#
.SYNOPSIS Retrives DNS Servers from a computer. .DESCRIPTION Retrives primary, secondary, tertiery DNS Servers from on online system using Windows Management Instrimentation. .INPUTS System.String. .OUPUTS System.Management.Automation.PSCustomObject. .PARAMETER ComputerName The computer to retrieve information from. .PARAMETER Credential PSCredential object with rights to the remotly access WMI. .EXAMPLE Get-DnsConfiguration PSComputerName : MyPC NetworkAdapter : Hyper-V Virtual Ethernet Adapter [192.168.1.1] PrimaryDNSServer : 8.8.8.8 SecondaryDNSSserver : 8.8.4.4 TertieryDNSServer : .EXAMPLE Get-DNSConfiguration -ComputerName 'remotepc.my.org' -Credential (Get-Credential) PSComputerName : remotepc NetworkAdapter : Hyper-V Virtual Ethernet Adapter [192.168.1.1] PrimaryDNSServer : 8.8.8.8 SecondaryDNSSserver : 8.8.4.4 TertieryDNSServer : .LINK http://dotps1.github.io #> [OutputType([PSCustomObject])] Param ( [Parameter( ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true )] [Alias( 'ComputerName', 'PSComputerName' )] [String[]] $Name = $env:COMPUTERNAME, [Parameter()] [ValidateNotNull()] [PSCredential] $Credential ) Process { for ($i = 0; $i -lt $Name.Length; $i++) { try { $gwmiParams = @{ ComputerName = $Name[$i] Class = 'Win32_NetworkAdapterConfiguration' Namespace = 'root\cimV2' Filter = "IPEnabled='TRUE'" ErrorAction = 'Stop' } if ($Name[$i] -ne $env:COMPUTERNAME -and $Credential -ne $null) { $gwmiParams.Add('Credential', $Credential) } $networkAdapters = Get-WmiObject @gwmiParams } catch { Write-Error -Message $_.ToString() continue } foreach ($networkAdapater in $networkAdapters) { $dnsServers = $networkAdapater.DNSServerSearchOrder [PSCustomObject]([Ordered]@{ PSComputerName = $Name[$i] NetworkAdapter = "$($networkAdapater.Description) [$($networkAdapater.IPAddress[0])]" PrimaryDNSServer = $dnsServers[0] SecondaryDNSSserver = $dnsServers[1] TertieryDNSServer = $dnsServers[2] }) } } } <#PSScriptInfo .DESCRIPTION Retrives primary, secondary, tertiery DNS Servers from on online system using Windows Management Instrimentation. .VERSION 1.0 .GUID 85a1387f-b20b-443c-bea0-ba4181ed7444 .AUTHOR Thomas Malkewitz @dotps1 .TAGS Dns .RELEASENOTES Intial Release. #> |