Apex domains cannot have CNAME records.
Question and response
Question
dig intelcom.online. NS
Answer
intelcom.online. 5 NS ns1.intelcom.online.
intelcom.online. 5 NS ns2.intelcom.online.
Authority
The response has no authority records.
Additional
ns1.intelcom.online. 5 A 164.215.64.2
ns1.intelcom.online. 5 A 195.208.46.100
ns2.intelcom.online. 5 A 164.215.66.2
ns2.intelcom.online. 5 A 195.208.46.200
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0