Apex domains cannot have CNAME records.
Question and response
Question
dig advantagerealestatechino.com. NS
Answer
advantagerealestatechino.com. 5 NS ns-1659.awsdns-15.co.uk.
advantagerealestatechino.com. 5 NS ns-1433.awsdns-51.org.
advantagerealestatechino.com. 5 NS ns-409.awsdns-51.com.
advantagerealestatechino.com. 5 NS ns-1810.awsdns-34.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0