Apex domains cannot have CNAME records.
Question and response
Question
dig hotel-tefl.com. NS
Answer
hotel-tefl.com. 5 NS ns-1618.awsdns-10.co.uk.
hotel-tefl.com. 5 NS ns-1522.awsdns-62.org.
hotel-tefl.com. 5 NS ns-1340.awsdns-39.org.
hotel-tefl.com. 5 NS ns-1730.awsdns-24.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0