Apex domains cannot have CNAME records.
Question and response
Question
dig hostglobe.com. NS
Answer
hostglobe.com. 1 NS ns2.safesecureweb.com.
hostglobe.com. 1 NS ns3.safesecureweb.com.
hostglobe.com. 1 NS ns1.safesecureweb.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0