Apex domains cannot have CNAME records.
Question and response
Question
dig dargalsolutions.com. NS
Answer
dargalsolutions.com. 5 NS ns1.dargalsolutions.com.
dargalsolutions.com. 5 NS ns1.dargal.com.
Authority
The response has no authority records.
Additional
ns1.dargalsolutions.com. 5 A 208.73.56.28
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0