Apex domains cannot have CNAME records.
Question and response
Question
dig iptcom.net. NS
Answer
iptcom.net. 5 NS ns1.1984.is.
iptcom.net. 5 NS ns0.1984.is.
iptcom.net. 5 NS ns3.yz.kiev.ua.
iptcom.net. 5 NS ns.vc.org.ua.
iptcom.net. 5 NS nebule.yz.kiev.ua.
iptcom.net. 5 NS ns.secondary.net.ua.
iptcom.net. 5 NS we.hostmaster.ua.
iptcom.net. 5 NS ns4.he.net.
iptcom.net. 5 NS ns2.afraid.org.
iptcom.net. 5 NS ns3.he.net.
iptcom.net. 5 NS ns1.he.net.
Authority
The response has no authority records.
Additional
ns.vc.org.ua. 5 A 152.67.83.197
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0