Apex domains cannot have CNAME records.
Question and response
Question
dig twiptron.com. NS
Answer
twiptron.com. 5 NS ns1.twiptron.com.
twiptron.com. 5 NS ns2.twiptron.com.
Authority
The response has no authority records.
Additional
ns1.twiptron.com. 5 A 103.249.31.4
ns2.twiptron.com. 5 A 170.130.204.210
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0