Apex domains cannot have CNAME records.
Question and response
Question
dig infra.partnerconsole.net. NS
Answer
infra.partnerconsole.net. 5 NS ns-1134.awsdns-13.org.
infra.partnerconsole.net. 5 NS ns-642.awsdns-16.net.
infra.partnerconsole.net. 5 NS ns-454.awsdns-56.com.
infra.partnerconsole.net. 5 NS ns-1675.awsdns-17.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0