Apex domains cannot have CNAME records.
Question and response
Question
dig as833.net. NS
Answer
as833.net. 4 NS ns1.websitedns.network.
as833.net. 4 NS ns2.websitedns.network.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0