Apex domains cannot have CNAME records.
Question and response
Question
dig htel.cc. NS
Answer
htel.cc. 2 NS ns2.htel.cc.
htel.cc. 2 NS ns1.htel.cc.
Authority
The response has no authority records.
Additional
ns1.htel.cc. 2 A 151.0.0.1
ns2.htel.cc. 2 A 151.0.0.2
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0