Apex domains cannot have CNAME records.
Question and response
Question
dig contemplen.com. NS
Answer
contemplen.com. 4 NS ns2.contemplen.com.
contemplen.com. 4 NS ns1.contemplen.com.
Authority
The response has no authority records.
Additional
ns1.contemplen.com. 4 A 107.172.27.216
ns2.contemplen.com. 4 A 192.210.179.111
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0