Apex domains cannot have CNAME records.
Question and response
Question
dig on-satellite.com. NS
Answer
on-satellite.com. 3 NS ns2.on-satellite.com.
on-satellite.com. 3 NS ns1.on-satellite.com.
Authority
The response has no authority records.
Additional
ns1.on-satellite.com. 3 A 192.99.69.233
ns2.on-satellite.com. 3 A 51.161.71.191
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0