Apex domains cannot have CNAME records.
Question and response
Question
dig agra-indianhomestay.com. NS
Answer
agra-indianhomestay.com. 5 NS ns2.agra-indianhomestay.com.
agra-indianhomestay.com. 5 NS ns1.agra-indianhomestay.com.
Authority
The response has no authority records.
Additional
ns1.agra-indianhomestay.com. 5 A 85.17.4.157
ns2.agra-indianhomestay.com. 5 A 85.17.108.16
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0