Apex domains cannot have CNAME records.
Question and response
Question
dig percep-tech.com. NS
Answer
percep-tech.com. 4 NS ns1.percep-tech.com.
percep-tech.com. 4 NS ns2.percep-tech.com.
Authority
The response has no authority records.
Additional
ns1.percep-tech.com. 4 A 170.130.202.146
ns2.percep-tech.com. 4 A 23.231.64.34
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0