Apex domains cannot have CNAME records.
Question and response
Question
dig houseofchinamcallen.com. NS
Answer
houseofchinamcallen.com. 5 NS ns-1776.awsdns-30.co.uk.
houseofchinamcallen.com. 5 NS ns-1230.awsdns-25.org.
houseofchinamcallen.com. 5 NS ns-449.awsdns-56.com.
houseofchinamcallen.com. 5 NS ns-659.awsdns-18.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0