Apex domains cannot have CNAME records.
Question and response
Question
dig host247.in. NS
Answer
host247.in. 4 NS ns1.bh-31.webhostbox.net.
host247.in. 4 NS ns2.bh-31.webhostbox.net.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0