Check the site and it's suspended already the homepage is showing
Site suspenso
Este site está suspenso temporariamente. Para mais informações, entre em contato com o responsável pela hospedagem.
In English it means
This site is temporarily suspended. For more information, contact the person responsible for hosting.
It's possible that the server he is hosting the site is against gambling-based sites so it is suspended, in the first place he should check the host TOS to avoid this happening in case he wants to launch his casino again.