Apex domains cannot have CNAME records.
Question and response
Question
dig wsawinnipeg.com. NS
Answer
wsawinnipeg.com. 5 NS ns-1051.awsdns-03.org.
wsawinnipeg.com. 5 NS ns-1785.awsdns-31.co.uk.
wsawinnipeg.com. 5 NS ns-419.awsdns-52.com.
wsawinnipeg.com. 5 NS ns-697.awsdns-23.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0