Wp error page 404 which should give server response 404 always gives 200

[Admin]

The 404 page is working fine from here:

Please note that any external check scripts will not work because they are blocked by this security system:

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…

Nothing is wrong with your website. Just don’t blindly trust what external scanning tools say.