Apex domains cannot have CNAME records.
Question and response
Question
dig domaincontrol.com. NS
Answer
domaincontrol.com. 3 NS a9-67.akam.net.
domaincontrol.com. 3 NS a8-67.akam.net.
domaincontrol.com. 3 NS a11-64.akam.net.
domaincontrol.com. 3 NS ans02.domaincontrol.com.
domaincontrol.com. 3 NS a6-66.akam.net.
domaincontrol.com. 3 NS ans01.domaincontrol.com.
domaincontrol.com. 3 NS a1-245.akam.net.
domaincontrol.com. 3 NS a20-65.akam.net.
Authority
The response has no authority records.
Additional
a6-66.akam.net. 5 A 23.211.133.66
a8-67.akam.net. 5 A 2.16.40.67
a9-67.akam.net. 5 A 184.85.248.67
ans01.domaincontrol.com. 3 A 97.74.97.35
ans02.domaincontrol.com. 3 A 173.201.65.35
a1-245.akam.net. 5 A 193.108.91.245
a11-64.akam.net. 5 A 84.53.139.64
a20-65.akam.net. 5 A 95.100.175.65
a6-66.akam.net. 5 AAAA 2600:1401:1:0:0:0:0:42
a8-67.akam.net. 5 AAAA 2600:1403:a:0:0:0:0:43
a9-67.akam.net. 5 AAAA 2a02:26f0:117:0:0:0:0:43
ans01.domaincontrol.com. 3 AAAA 2603:5:2111:0:0:0:0:23
ans02.domaincontrol.com. 3 AAAA 2603:5:2211:0:0:0:0:23
a1-245.akam.net. 5 AAAA 2600:1401:2:0:0:0:0:f5
a11-64.akam.net. 5 AAAA 2600:1480:1:0:0:0:0:40
a20-65.akam.net. 5 AAAA 2a02:26f0:67:0:0:0:0:41
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0