# Define target domain controller and ports
# DC===YOUR Domain controller name.

$d = 'DC'
$p = 53, 88, 135, 389, 445, 3268, 3269, 636, 9389  # TCP Ports
$u = 53, 88, 389  # UDP Ports

# Function to check TCP connections
function Test-TCPConnection {
    param (
        [string]$domain,
        [int]$port
    )
    
    if (Test-NetConnection $domain -Port $port) {
        return "TCP $port - Open"
    } else {
        return "TCP $port - Closed"
    }
}

# Function to check UDP connections
function Test-UDPConnection {
    param (
        [string]$domain,
        [int]$port
    )
    
    try {
        $c = [net.sockets.udpclient]::new()
        $c.Connect($domain, $port)
        $null = $c.Send((, 0), 1)  # Send a dummy byte
        $c.Close()
        return "UDP $port - Open"
    } catch {
        return "UDP $port - Closed"
    }
}

# Check TCP Ports
$p | ForEach-Object { Test-TCPConnection -domain $d -port $_ }

# Check UDP Ports
$u | ForEach-Object { Test-UDPConnection -domain $d -port $_ }