private void BtnStartDnsClick(object sender, EventArgs e)
        {
            if (btnStartDNS.Text.Contains("Initialize"))
            {
                // Set the IP
                _dns.IP = tbIP.Text;

                // start
                _dns.Start();

                // change
                btnStartDNS.Text = Resources.StopDns;
            }
            else
            {
                _dns.Stop();
                btnStartDNS.Text = Resources.StartDns;
            }
        }