Apex domains cannot have CNAME records.
Question and response
Question
dig vervecloud.com. NS
Answer
vervecloud.com. 5 NS ns77.domaincontrol.com.
vervecloud.com. 5 NS ns78.domaincontrol.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0