Apex domains cannot have CNAME records.
Question and response
Question
dig pemsv24.net. NS
Answer
pemsv24.net. 5 NS ns-1058.awsdns-04.org.
pemsv24.net. 5 NS ns-607.awsdns-11.net.
pemsv24.net. 5 NS ns-434.awsdns-54.com.
pemsv24.net. 5 NS ns-1544.awsdns-01.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0