25565 (?) openin the output, then your server is listening on the port, but might be hanging and not accepting normal MC connections. If this is the case, remove the TCPShield plugin and ensure you can login to the raw IP and port from your client directly. If this works, check your dashboard to ensure your backend IP and port are correct.
Connection refusedin the output, then our proxies can properly route to your backend IP, but your Minecraft server is not running on the defined port in your dashboard. Ensure these both match and/or update as necessary. Additionally, ensure your listening IP is correct in your
server.propertiesif you are running Spigot, or
config.ymlif you are running Bungee.
Connection timed outin the output, then our proxies cannot properly route to your backend IP address. Check your server-sided firewall to ensure the backend port defined in your dashboard is open to the outside world. You may need to consult your hosting provider if modifying the server-side firewall does not work (for example, your IP address might not be bound properly to your machine).