Apex domains cannot have CNAME records.
Question and response
Question
dig messagegears.net. NS
Answer
messagegears.net. 5 NS ns-684.awsdns-21.net.
messagegears.net. 5 NS ns-1940.awsdns-50.co.uk.
messagegears.net. 5 NS ns-69.awsdns-08.com.
messagegears.net. 5 NS ns-1393.awsdns-46.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0