Protect Download URL of My Website

Dear All,

I Have my website for android .apk file download site with Domain : https://androidappsapkdownload.com

On which i have lot of content to download. For this my website has download URL like : https://androidappsapkdownload.com/download/5645/

But many other site owner uses this download URL and make post to their website. So my Bandwidth is used by many other website visitor.

So is there any Trick or code to protect my Download URL in such a Way that. If the Download Link Call from Domain : https://androidappsapkdownload.com than and only than it serves the file. If The request is from some other domain than it redirect to my Home Page..

Is it possible…

If “YES” than it plz share it… help me…

Waiting for Some Help from the WP Users….

THANKS IN ADVANCE…