Not loading aliexpress app

im using ( security Cloudflare-dns com) dns on my android Smartphone. After using this dns im facing issue with aliexpress app. its not loading when i use Cloudfare dns. and online videos also buffering much. im from srilanka
please fix this issue .

If you go to the app’s Advanced settings, go to Diagnostics and look at the Colocation center, what does it give you? If you’re sent to a center far away you may have performance and, less commonly, access issues.

I checked that Showing CMB (Colombo)