Apex domains cannot have CNAME records.
Question and response
Question
dig m12solutions.net. NS
Answer
m12solutions.net. 5 NS ns-907.awsdns-49.net.
m12solutions.net. 5 NS ns-245.awsdns-30.com.
m12solutions.net. 5 NS ns-1575.awsdns-04.co.uk.
m12solutions.net. 5 NS ns-1376.awsdns-44.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0