Apex domains cannot have CNAME records.
Question and response
Question
dig afbusinessgroup.net. NS
Answer
afbusinessgroup.net. 5 NS ns1.cloud-fe0f3f.managed-vps.net.
afbusinessgroup.net. 5 NS ns2.cloud-fe0f3f.managed-vps.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0