Apex domains cannot have CNAME records.
Question and response
Question
dig win.hostgator.com. NS
Answer
win.hostgator.com. 1 NS brady.ns.cloudflare.com.
win.hostgator.com. 1 NS katelyn.ns.cloudflare.com.
Authority
The response has no authority records.
Additional
brady.ns.cloudflare.com. 5 A 108.162.195.215
brady.ns.cloudflare.com. 5 A 162.159.44.215
brady.ns.cloudflare.com. 5 A 172.64.35.215
katelyn.ns.cloudflare.com. 5 A 108.162.194.235
katelyn.ns.cloudflare.com. 5 A 162.159.38.235
katelyn.ns.cloudflare.com. 5 A 172.64.34.235
brady.ns.cloudflare.com. 5 AAAA 2606:4700:58:0:0:0:a29f:2cd7
brady.ns.cloudflare.com. 5 AAAA 2803:f800:50:0:0:0:6ca2:c3d7
brady.ns.cloudflare.com. 5 AAAA 2a06:98c1:50:0:0:0:ac40:23d7
katelyn.ns.cloudflare.com. 5 AAAA 2606:4700:50:0:0:0:a29f:26eb
katelyn.ns.cloudflare.com. 5 AAAA 2803:f800:50:0:0:0:6ca2:c2eb
katelyn.ns.cloudflare.com. 5 AAAA 2a06:98c1:50:0:0:0:ac40:22eb
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0