Apex domains cannot have CNAME records.
Question and response
Question
dig facilityconceptgroup.com. NS
Answer
facilityconceptgroup.com. 5 NS ns-1432.awsdns-51.org.
facilityconceptgroup.com. 5 NS ns-127.awsdns-15.com.
facilityconceptgroup.com. 5 NS ns-1140.awsdns-14.org.
facilityconceptgroup.com. 5 NS ns-2028.awsdns-61.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0