Apex domains cannot have CNAME records.
Question and response
Question
dig indyboys1.com. NS
Answer
indyboys1.com. 2 NS ns-1784.awsdns-31.co.uk.
indyboys1.com. 2 NS ns-589.awsdns-09.net.
indyboys1.com. 2 NS ns-679.awsdns-20.net.
indyboys1.com. 2 NS ns-918.awsdns-50.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0