Apex domains cannot have CNAME records.
Question and response
Question
dig pch.ro. NS
Answer
pch.ro. 5 NS nsx.pch.ro.
pch.ro. 5 NS ns2.netprotect.ro.
Authority
The response has no authority records.
Additional
ns2.netprotect.ro. 2 A 185.99.88.77
nsx.pch.ro. 5 A 185.99.89.79
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0