Apex domains cannot have CNAME records.
Question and response
Question
dig discountsitedevelopers.com. NS
Answer
discountsitedevelopers.com. 5 NS ns1.discountsitedevelopers.com.
discountsitedevelopers.com. 5 NS ns2.discountsitedevelopers.com.
Authority
The response has no authority records.
Additional
ns1.discountsitedevelopers.com. 5 A 104.140.115.58
ns2.discountsitedevelopers.com. 5 A 51.77.72.87
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0