Apex domains cannot have CNAME records.
Question and response
Question
dig dilodr.com. NS
Answer
dilodr.com. 5 NS ns20.prodns.mx.
dilodr.com. 5 NS ns21.prodns.mx.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0