I'm trying to load my site in the browser but I am receiving connect refused

I've a VPS in one hosted in an host in this vps I installed Java, Tomcat and MySQL for my web app. After the installation of the packages I made the deploy of my app, if inside of the tomcat/manager I call my app the browser load my web app normaly but when I type my domain in the browser I receive "This site can’t be reached itcmedbr.com refused to connect." I don't have data to work at this moment it's not a problem, what I whant to do for now is to load my login page to see if my domain load in the browser. I don't have any other type of error to report here only this. I don't have Apache and Nginx installed. ------------------------------------------------------------ - url: itcmedbr.com - distribution running: Centos 9 If I go to https://mxtoolbox.com/emailhealth/itcmedbr.com/ it shows me the error message http itcmedbr.com Unable to connect to the remote server (http://itcmedbr.com) but I have: firewall-cmd --zone=public --list-services cockpit dhcpv6-client http https mysql ssh