dns – Auto redirect Cloudflare protected site to ifastnet.com by Using infinityfree hosting

My username and others detail of my id is shown below (Username epiz_27970030):

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I have bought one domain by the name of http://vip42.ir/
and I am trying to add this domain to the infinityfree account (http://painting-persta.rf.gd)

So I have tried to change the Cloudflare NS setting to desired setting as you can see below:
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###The Error Message

As you can see below, I can not add domain to the :

By selecting Addon Domains option, as you can see below, I get the below error:

Error Adding Domain..

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Also, I have tried the Cloudflare setting and get this error, as you can see below:
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CLOUDFLARE ERROR : We were unable to identify painting-persta.rf.gd as
a registered domain. Please ensure you are providing the root domain
and not any subdomains (e.g., example.com, not subdomain.example.com)

The domain is redirecting to this site :
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So I want to know, I must wait until 72 hours or have to do something to fix this problem (redirecting to the http://suspended-website.com or https://ifastnet.com!).