Apex domains cannot have CNAME records.
Question and response
Question
dig sitezoogle.com. NS
Answer
sitezoogle.com. 4 NS dns3.sitezoogle.com.
sitezoogle.com. 4 NS dns4.sitezoogle.com.
sitezoogle.com. 4 NS dns1.sitezoogle.com.
sitezoogle.com. 4 NS dns2.sitezoogle.com.
Authority
The response has no authority records.
Additional
dns1.sitezoogle.com. 4 A 15.222.184.47
dns2.sitezoogle.com. 4 A 3.98.101.147
dns3.sitezoogle.com. 4 A 35.183.253.33
dns4.sitezoogle.com. 4 A 15.156.54.209
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0