Please provide a screenshot of your Cloudflare DNS page showing the records you added, as looking in from outside, I don’t see these records for the subdomain mg.rapidblinds.com
The domain is using GoDaddy nameservers, not Cloudflare:
rapidblinds.com. 172800 IN NS ns27.domaincontrol.com.
rapidblinds.com. 172800 IN NS ns28.domaincontrol.com.
;; Received 184 bytes from 2001:503:39c1::30#53(i.gtld-servers.net) in 24 ms