Apex domains cannot have CNAME records.
Question and response
Question
dig host.garhost1.net. NS
Answer
host.garhost1.net. 5 NS ns2.garhost1.net.
host.garhost1.net. 5 NS ns1.garhost1.net.
Authority
The response has no authority records.
Additional
ns1.garhost1.net. 4 A 162.211.80.246
ns2.garhost1.net. 4 A 162.211.80.249
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0