Apex domains cannot have CNAME records.
Question and response
Question
dig dosdrive.com. NS
Answer
dosdrive.com. 1 NS ns2.dosdrive.com.
dosdrive.com. 1 NS ns1.dosdrive.com.
Authority
The response has no authority records.
Additional
ns1.dosdrive.com. 1 A 63.223.114.2
ns2.dosdrive.com. 1 A 107.155.198.79
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0