Apex domains cannot have CNAME records.
Question and response
Question
dig trueheart.store. NS
Answer
trueheart.store. 5 NS ns1.trueheart.store.
trueheart.store. 5 NS ns2.trueheart.store.
Authority
The response has no authority records.
Additional
ns1.trueheart.store. 5 A 54.37.82.2
ns2.trueheart.store. 5 A 5.135.31.122
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0