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Looks like cloudflare has no idea what is your orgin server
You will need to add an A record that will point to your website's origin server.
You should delete your domain from Cloudflare and change it to the InfinityFree one's and then wait for some time and add your domain back to Cloudflare, don't change your nameservers to CF yet, once CF tells you about changing your nameservers, then that's the time you change it.
Better create CNAME record that points to your epizy-main domain(cPanel -> ACCOUNT DETAILS -> Main Domain)