PowerShell - Get Remote Server/Computer DNS Settings

Save the script as Get-DNSServers.ps1, once ran use the following Examples:

.Example 1

Get-DNSServers.ps1 -ComputerName MYTESTPC21

Get the DNS servers information from a remote computer MYTESTPC21.

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<#

.Synopsis

Get the DNS servers list of each IP enabled network connection

.Description

This script displays DNS servers list of each IP enabled network connection in local or remote computer.

.Parameter ComputerName

Computer Name(s) from which you want to query the DNS server details. If this

parameter is not used, the the script gets the DNS servers from local computer network adapaters.

.Example 1

Get-DNSServers.ps1 -ComputerName MYTESTPC21

Get the DNS servers information from a remote computer MYTESTPC21.

.Notes

NAME: Get-DNSServers.ps1

AUTHOR: Sitaram Pamarthi

WEBSITE: http://techibee.com

#>

[cmdletbinding()]

param (

[parameter(ValueFromPipeline=$true,ValueFromPipelineByPropertyName=$true)]

[string[]] $ComputerName = $env:computername

)

begin {}

process {

foreach($Computer in $ComputerName) {

Write-Verbose "Working on $Computer"

if(Test-Connection -ComputerName $Computer -Count 1 -ea 0) {

try {

$Networks = Get-WmiObject -Class Win32_NetworkAdapterConfiguration `

-Filter IPEnabled=TRUE `

-ComputerName $Computer `

-ErrorAction Stop

} catch {

Write-Verbose "Failed to Query $Computer. Error details: $_"

continue

}

foreach($Network in $Networks) {

$DNSServers = $Network.DNSServerSearchOrder

$NetworkName = $Network.Description

If(!$DNSServers) {

$PrimaryDNSServer = "Notset"

$SecondaryDNSServer = "Notset"

} elseif($DNSServers.count -eq 1) {

$PrimaryDNSServer = $DNSServers[0]

$SecondaryDNSServer = "Notset"

} else {

$PrimaryDNSServer = $DNSServers[0]

$SecondaryDNSServer = $DNSServers[1]

}

If($network.DHCPEnabled) {

$IsDHCPEnabled = $true

}

$OutputObj = New-Object -Type PSObject

$OutputObj | Add-Member -MemberType NoteProperty -Name ComputerName -Value $Computer.ToUpper()

$OutputObj | Add-Member -MemberType NoteProperty -Name PrimaryDNSServers -Value $PrimaryDNSServer

$OutputObj | Add-Member -MemberType NoteProperty -Name SecondaryDNSServers -Value $SecondaryDNSServer

$OutputObj | Add-Member -MemberType NoteProperty -Name IsDHCPEnabled -Value $IsDHCPEnabled

$OutputObj | Add-Member -MemberType NoteProperty -Name NetworkName -Value $NetworkName

$OutputObj

}

} else {

Write-Verbose "$Computer not reachable"

}

}

}

end {}

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