Apex domains cannot have CNAME records.
Question and response
Question
dig thagchokling.com. NS
Answer
thagchokling.com. 4 NS ns1.thagchokling.com.
thagchokling.com. 4 NS ns2.thagchokling.com.
Authority
The response has no authority records.
Additional
ns1.thagchokling.com. 4 A 50.2.99.87
ns2.thagchokling.com. 4 A 173.44.187.117
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0