Apex domains cannot have CNAME records.
Question and response
Question
dig manilamotels.com. NS
Answer
manilamotels.com. 5 NS ns-1396.awsdns-46.org.
manilamotels.com. 5 NS ns-2019.awsdns-60.co.uk.
manilamotels.com. 5 NS ns-25.awsdns-03.com.
manilamotels.com. 5 NS ns-1244.awsdns-27.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0