Apex domains cannot have CNAME records.
Question and response
Question
dig webranet.net. NS
Answer
webranet.net. 5 NS ns1.webranet.net.
webranet.net. 5 NS ns2.webranet.net.
Authority
The response has no authority records.
Additional
ns1.webranet.net. 5 A 183.78.170.21
ns2.webranet.net. 5 A 202.43.102.18
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0