File being served with incorrect content type

[PlaytimesOver]

Website URL

playtimesover.infinityfree.me/app-ads.txt

Error Message

We could not accept the media type of the resource at the given App-Ads URL. (rejectHint: (unsupportedMediaType) ) The IAB Ads.txt standard requires its content-type header includes “text/plain”. Review your Developer Website field in the Organization Info section above. If you haven’t already please create your app-ads.txt file

Other Information

I have created at .txt file called app-ads.txt in the root of my site, it appears to be being served with the content type ‘document’ and not the expected ‘text/plain’

Is that a limit of this service or have I done something dumb?

[Meishin]

Browser Security System - Features and Limitations

InfinityFree uses a security system on all free hosting accounts to ensure your website is accessed by real web browsers, not bots or automated scripts. While this protects your site from malicious traffic, it can affect certain types of access. How the security system works The system checks that visitors can execute JavaScript and accept cookies: features that all modern web browsers support. This verification happens automatically and most website visitors will never notice it. You may occa…