Why i cannot go to xmlrpc.php file on my website

[Oxy]

Hi and welcome to the forum

it currently throws that the certificate does not exist - when that file is requested
but even after that, you will get this:

Ensuring only web browsers can access your website

InfinityFree is a website hosting service. That means that the hosting accounts we provided are intended for hosting websites. Websites contain pages that are accessed through web browsers. InfinityFree is not intended to be used for file sharing, API hosting, database hosting or background tasks/tools. To help enforce this, free hosting enforces a security system that makes sure that anyone trying to access your website is using a normal web browser. This is done by checking whether the web br…

also read this about security

A Definitive Guide on XMLRPC for WordPress (+ How to Disable It)