public async Task TestPortConnection()
        {
            var net = new NetworkUtils(enableProxyValidationAPI: true);

            var logImp = new LoggerConfiguration()
                         .WriteTo.Debug()
                         .CreateLogger();

            var log = new Loggy(logImp);

            var result = await net.CheckServiceConnection("webprofusion.com", 80);

            Assert.IsTrue(result.IsSuccess, "hostname should connect ok on port 80");
        }