Apex domains cannot have CNAME records.
Question and response
Question
dig thetreblemakers.com. NS
Answer
thetreblemakers.com. 5 NS ns-1676.awsdns-17.co.uk.
thetreblemakers.com. 5 NS ns-1798.awsdns-32.co.uk.
thetreblemakers.com. 5 NS ns-1980.awsdns-55.co.uk.
thetreblemakers.com. 5 NS ns-1274.awsdns-31.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0