Apex domains cannot have CNAME records.
Question and response
Question
dig supermap-indonesia.com. NS
Answer
supermap-indonesia.com. 5 NS ns-1519.awsdns-61.org.
supermap-indonesia.com. 5 NS ns-663.awsdns-18.net.
supermap-indonesia.com. 5 NS ns-423.awsdns-52.com.
supermap-indonesia.com. 5 NS ns-1509.awsdns-60.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0