Apex domains cannot have CNAME records.
Question and response
Question
dig agarik.com. NS
Answer
agarik.com. 5 NS ns1.agarik.fr.
agarik.com. 5 NS ns4.agarik.org.
agarik.com. 5 NS ns3.agarik.com.
agarik.com. 5 NS ns2.agarik.com.
Authority
The response has no authority records.
Additional
ns1.agarik.fr. 5 A 92.43.252.210
ns2.agarik.com. 5 A 217.174.207.7
ns3.agarik.com. 5 A 92.43.252.211
ns4.agarik.org. 5 A 217.174.207.27
ns2.agarik.com. 5 AAAA 2001:14c8:700:2:0:0:0:1
ns3.agarik.com. 5 AAAA 2001:14c8:700:4:0:0:0:1
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0