Apex domains cannot have CNAME records.
Question and response
Question
dig wiwindinfo.net. NS
Answer
wiwindinfo.net. 5 NS ns-693.awsdns-22.net.
wiwindinfo.net. 5 NS ns-965.awsdns-56.net.
wiwindinfo.net. 5 NS ns-313.awsdns-39.com.
wiwindinfo.net. 5 NS ns-396.awsdns-49.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0