Apex domains cannot have CNAME records.
Question and response
Question
dig vcommerce.com. NS
Answer
vcommerce.com. 5 NS ns-964.awsdns-56.net.
vcommerce.com. 5 NS ns-158.awsdns-19.com.
vcommerce.com. 5 NS ns-1657.awsdns-15.co.uk.
vcommerce.com. 5 NS ns-1090.awsdns-08.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0