Apex domains cannot have CNAME records.
Question and response
Question
dig imnet.ro. NS
Answer
imnet.ro. 5 NS ns2.imnet.ro.
imnet.ro. 5 NS ns1.imnet.ro.
Authority
The response has no authority records.
Additional
ns1.imnet.ro. 5 A 92.114.95.64
ns2.imnet.ro. 5 A 92.114.95.64
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0