Apex domains cannot have CNAME records.
Question and response
Question
dig powersportssuperstore.com. NS
Answer
powersportssuperstore.com. 2 NS ns1.powersportssuperstore.com.
powersportssuperstore.com. 2 NS ns2.powersportssuperstore.com.
Authority
The response has no authority records.
Additional
ns1.powersportssuperstore.com. 2 A 125.253.122.15
ns2.powersportssuperstore.com. 2 A 125.253.122.17
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0