Please note that, if you added your domain to an account (or created the account with that domain) just recently, it might take up to 72 hours for it to work properly due to DNS caching:
Hmmm, even the SSL is weird… I’ve added many accounts to infinityfree for many domains and I’ve never seen this stuff. Must be new or because I used byet nameservers not nsX.infinityfree.net like I usually do.