Apex domains cannot have CNAME records.
Question and response
Question
dig archerirm.in. NS
Answer
archerirm.in. 5 NS ns-428.awsdns-53.com.
archerirm.in. 5 NS ns-865.awsdns-44.net.
archerirm.in. 5 NS ns-1496.awsdns-59.org.
archerirm.in. 5 NS ns-1726.awsdns-23.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0