Apex domains cannot have CNAME records.
Question and response
Question
dig chrsolutions.com. NS
Answer
chrsolutions.com. 1 NS ns91.worldnic.com.
chrsolutions.com. 1 NS ns92.worldnic.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0