Apex domains cannot have CNAME records.
Question and response
Question
dig informz.net. NS
Answer
informz.net. 5 NS ns-15.awsdns-01.com.
informz.net. 5 NS ns-1573.awsdns-04.co.uk.
informz.net. 5 NS ns-1386.awsdns-45.org.
informz.net. 5 NS ns-759.awsdns-30.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0