Apex domains cannot have CNAME records.
Question and response
Question
dig vyvebb.net. NS
Answer
vyvebb.net. 3 NS ns2.vyvebb.net.
vyvebb.net. 3 NS ns1.vyvebb.net.
Authority
The response has no authority records.
Additional
ns1.vyvebb.net. 3 A 67.202.185.112
ns2.vyvebb.net. 3 A 24.112.36.76
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0