Apex domains cannot have CNAME records.
Question and response
Question
dig eninetworks.com. NS
Answer
eninetworks.com. 5 NS dns.eninetworks.com.
eninetworks.com. 5 NS dns3.eninetworks.com.
eninetworks.com. 5 NS dns2.eninetworks.com.
Authority
The response has no authority records.
Additional
dns.eninetworks.com. 5 A 168.121.60.14
dns2.eninetworks.com. 5 A 168.121.61.14
dns3.eninetworks.com. 5 A 38.65.151.14
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0