Apex domains cannot have CNAME records.
Question and response
Question
dig hostek.com. NS
Answer
hostek.com. 2 NS htns1.hostek.com.
hostek.com. 2 NS htns2.hostek.com.
Authority
The response has no authority records.
Additional
htns1.hostek.com. 2 A 173.245.58.9
htns2.hostek.com. 2 A 173.245.59.14
htns1.hostek.com. 2 AAAA 2400:cb00:2049:1:0:0:adf5:3a09
htns2.hostek.com. 2 AAAA 2400:cb00:2049:1:0:0:adf5:3b0e
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0