You need to whitelist your server so others can't join. If you don't know how to do this look at this video. Also, the progress lost can't be granted back to you.
It can take up to 2 minutes to join it be patient. It will say online when its started. However, if you absolutely can't connect, try contacting support @ http://minehut.com/support. Have a great day guys!
This account is a public account meaning others have used it and hacked on it resulting in the account being banned on numerous servers. I recommend buying a premium account from Minecraft's official website.