Apex domains cannot have CNAME records.
Question and response
Question
dig outeniqua-backpackers.com. NS
Answer
outeniqua-backpackers.com. 5 NS ns-1416.awsdns-49.org.
outeniqua-backpackers.com. 5 NS ns-214.awsdns-26.com.
outeniqua-backpackers.com. 5 NS ns-1381.awsdns-44.org.
outeniqua-backpackers.com. 5 NS ns-1897.awsdns-45.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0