Apex domains cannot have CNAME records.
Question and response
Question
dig kiwienterprisecloud.com. NS
Answer
kiwienterprisecloud.com. 4 NS ns2.kiwienterprisecloud.com.
kiwienterprisecloud.com. 4 NS ns1.kiwienterprisecloud.com.
Authority
The response has no authority records.
Additional
ns1.kiwienterprisecloud.com. 4 A 45.169.236.5
ns2.kiwienterprisecloud.com. 4 A 201.139.123.163
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0