Não é possível acessar a instalação do Discourse

My DNS,

My IP 159.203.78.37.

Like mentioned above, I tried on AWS and it worked one time then not again afterward. Considering their tricky firewall setup, I tried a simpler way using DigitalOcean which yields the same result. Even followed the github instructions on fresh install

Edit;

Even using port checking tools, they are not open