Can both and clouldflare be used?

Of Course,

Make sure to follow this

  1. Cloudflare cannot be used on free subdomains from InfinityFree
  2. You can use Cloudflare on Custom Domains ( ) and with Custom Sub-Domains ( )
  3. You must connect your domain to your InfinityFree account first. Read more here .

Reference A Full Guide To Cloudflare