Apex domains cannot have CNAME records.
Question and response
Question
dig 2mcl.com. NS
Answer
2mcl.com. 5 NS ns.2mcl.com.
2mcl.com. 5 NS ns.2upost.com.
Authority
The response has no authority records.
Additional
ns.2mcl.com. 5 A 193.0.240.37
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0