Apex domains cannot have CNAME records.
Question and response
Question
dig agla.space. NS
Answer
agla.space. 5 NS ns1.hostmonster.com.
agla.space. 5 NS ns2.hostmonster.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0