May I also ask if you are using the Internet Information Services (IIS) from Windows OS, or having a virtual machine running Linux OS in Hyper-V or some other virtualisation software?
Or you’ve purchased a Windows VPS from some hosting provider?
yes i have a vps from hosting provider i used the iis but didnt work if you can please send me a way to contact you so i can send you images what i did (discord or any)
I’ve lately successfully done this on Win Server 2012, IIS 8.5 and with a (sub)domain using Cloudflare Kindly take a look the step by step with pictures here: