When I try I just see:
You don't have permission to access / on this server.Server unable to read htaccess file, denying access to be safe
Additionally, a 403 Forbidden error was encountered while trying to use an ErrorDocument to handle the request.
Now I still can't reach the site, but the message changed to:
Your connection is not privateAttackers might be trying to steal your information from mangophuket.co (for example, passwords, messages or credit cards). Learn moreNET::ERR_CERT_COMMON_NAME_INVALID
Can you provide a URL? It will make it easier to pinpoint the problem.