Apex domains cannot have CNAME records.
Question and response
Question
dig DOMAINCONTROL.com. NS
Answer
domaincontrol.com. 2 NS ans02.DOMAINCONTROL.com.
domaincontrol.com. 2 NS a20-65.akam.net.
domaincontrol.com. 2 NS a6-66.akam.net.
domaincontrol.com. 2 NS a1-245.akam.net.
domaincontrol.com. 2 NS a9-67.akam.net.
domaincontrol.com. 2 NS a8-67.akam.net.
domaincontrol.com. 2 NS a11-64.akam.net.
domaincontrol.com. 2 NS ans01.DOMAINCONTROL.com.
Authority
The response has no authority records.
Additional
ans01.domaincontrol.com. 2 A 97.74.97.35
ans02.domaincontrol.com. 2 A 173.201.65.35
ans01.domaincontrol.com. 2 AAAA 2603:5:2111:0:0:0:0:23
ans02.domaincontrol.com. 2 AAAA 2603:5:2211:0:0:0:0:23
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0