private static void Main(string[] args)
{
Console.Clear();
SetProviders.DNS();
SetProviders.Mail();
int FreeCheckLimit = 5;
int MaxCheckLimit = 1000;
int ApiCheckLimit = 0;
string fileName = "";
ConsoleKey key;
while (fileName != "e")
{
Premium.CheckPremium("", true);
ApiCheckLimit = Premium.RateLimit;
Helpers.Banner();
Console.ResetColor();
//Console.WriteLine($"[ API Provider: (P)romptapi.com | (R)apidapi.com | (F)ree {FreeCheckLimit} domains | (E)xit ]");
Console.WriteLine("(P)romptapi.com - You need apikey");
Console.WriteLine("(R)apidapi.com - You need apikey");
if (Premium.CheckType == "PREMIUM")
{
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("(U)se Premium - You have DNS Lookup API access with license");
Console.ResetColor();
}
Console.WriteLine($"(F)ree - for {FreeCheckLimit} domains");
Console.WriteLine("(E)xit");
Console.WriteLine();
Console.WriteLine("Select API Provider (or license key): [F]");
//string apiProvider = Console.ReadLine().ToLower
string apiProvider = string.Empty;
do
{
var keyInfo = Console.ReadKey(intercept: true);
key = keyInfo.Key;
if (key == ConsoleKey.Backspace && apiProvider.Length > 0)
{
Console.Write("\b \b");
apiProvider = apiProvider[0..^ 1];
