Apex domains cannot have CNAME records.
Question and response
Question
dig one-way-link.com. NS
Answer
one-way-link.com. 5 NS ns-38.awsdns-04.com.
one-way-link.com. 5 NS ns-914.awsdns-50.net.
one-way-link.com. 5 NS ns-678.awsdns-20.net.
one-way-link.com. 5 NS ns-922.awsdns-51.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0