setdns.ps

# Set the primary DNS server to the desired value

$primaryDnsServer = "8.8.8.8"

$interfaceIndex = (Get-NetAdapter).ifIndex

# Get the current DNS server addresses

$currentDnsServers = (Get-DnsClientServerAddress -InterfaceIndex $interfaceIndex).ServerAddresses

# Store the current secondary DNS server in a variable

$secondaryDnsServer = $currentDnsServers[1]

# Set the primary and secondary DNS servers

Set-DnsClientServerAddress -InterfaceIndex $interfaceIndex -ServerAddresses $primaryDnsServer,$secondaryDnsServer


OR
----------
Get-DnsClient | Set-DnsClientServerAddress -ServerAddresses ("1.1.1.1","1.0.0.1")
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OR
----------
Set-DnsClientServerAddress -InterfaceAlias 'Ethernet' -ServerAddresses '192.168.0.4','192.168.0.5'
-------------

OR
--------
$EthAdapters = Get-NetAdapter -Name Ether*
foreach ($EthAdapter in $EthAdapters)
{
    Set-DnsClientServerAddress -ServerAddresses 192.168.0.1, 192.168.0.2 -PassThru -InterfaceAlias $EthAdapter.name -Verbose
}
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OR
--------
Get-NetAdapter -name ethernet*|Set-DnsClientServerAddress  -ServerAddresses ("8.8.8.8","8.8.8.9")
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