Apex domains cannot have CNAME records.
Question and response
Question
dig bryo.ro. NS
Answer
bryo.ro. 5 NS ns2.bryo.ro.
bryo.ro. 5 NS ns1.bryo.ro.
Authority
The response has no authority records.
Additional
ns1.bryo.ro. 5 A 188.215.251.148
ns2.bryo.ro. 5 A 188.215.251.148
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0