Apex domains cannot have CNAME records.
Question and response
Question
dig adscompan.com. NS
Answer
adscompan.com. 5 NS ns-1318.awsdns-36.org.
adscompan.com. 5 NS ns-1090.awsdns-08.org.
adscompan.com. 5 NS ns-159.awsdns-19.com.
adscompan.com. 5 NS ns-701.awsdns-23.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0