That’s certainly returning Cloudflare IP addresses. Those won’t change. I can move my domain from web host to web host, but my Cloudflare account won’t change. Neither will my Cloudflare IP addresses, no matter how many times I update the “A” records for my 
DNS entries.
I’m getting a 403 error for the promo subdomain. If you do want to test it out, change that DNS entry to 
and see if it works. Just give DNS 5 minutes to propagate after a / switch. will also show you what should be the updated IP address.