Apex domains cannot have CNAME records.
Question and response
Question
dig tilneutra.com. NS
Answer
tilneutra.com. 2 NS ns2.tilneutra.com.
tilneutra.com. 2 NS ns1.tilneutra.com.
Authority
The response has no authority records.
Additional
ns1.tilneutra.com. 2 A 185.9.158.45
ns2.tilneutra.com. 2 A 185.9.158.58
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0