Get access to external Database Mysql

Hello! Tried get access to mysql database in, but return error

Can't connect to MySQL server on '' (101)")

What may be problem?

Are you sure they allow remote access?

Yes, link screenshot : But, need set allowed IP's. I dont't find it. I Tryed use IP of domain - but this doesn't help(

You have a free account, you can only connect out using http(s) to whitelisted sites. See

We paid, but the error still remains

you will have to start new consoles and restart your webapp etc for the changes to take effect.