Apex domains cannot have CNAME records.
Question and response
Question
dig brccc.net. NS
Answer
brccc.net. 5 NS ns-839.awsdns-40.net.
brccc.net. 5 NS ns-268.awsdns-33.com.
brccc.net. 5 NS ns-1563.awsdns-03.co.uk.
brccc.net. 5 NS ns-1519.awsdns-61.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0