Apex domains cannot have CNAME records.
Question and response
Question
dig hiringplatform.com. NS
Answer
hiringplatform.com. 3 NS ns-1605.awsdns-08.co.uk.
hiringplatform.com. 3 NS ns-1326.awsdns-37.org.
hiringplatform.com. 3 NS ns-254.awsdns-31.com.
hiringplatform.com. 3 NS ns-903.awsdns-48.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0