Website or domain host dns record?

My blog move to host but I don’t no which DNS record insert in cf DNS record ,means website or domain host DNS records ? Nameserver adding problem on cf error code 1004

You would need to update the “A” or “CNAME” records for ‘example.com’ and ‘www’.

Which DNS records I can update in cf ?

Mean to say that domain registerar give me DNS records and website hosting registerar give DNS records
Which one is correct for cf ?

Your website host has the correct ones.

Ns adding problem in cf error code 1004,please check my account

please tell me what i do now ?