Apex domains cannot have CNAME records.
Question and response
Question
dig galaxy.net.ua. NS
Answer
galaxy.net.ua. 3 NS ns314.inhostedns.org.
galaxy.net.ua. 3 NS ns114.inhostedns.com.
galaxy.net.ua. 3 NS ns214.inhostedns.net.
Authority
The response has no authority records.
Additional
ns114.inhostedns.com. 1 A 185.104.44.36
ns214.inhostedns.net. 1 A 185.104.46.36
ns314.inhostedns.org. 1 A 167.235.84.47
ns114.inhostedns.com. 1 AAAA 2a06:6440:0:2c24:0:0:0:1
ns214.inhostedns.net. 1 AAAA 2a06:6440:0:2e24:0:0:0:1
ns314.inhostedns.org. 1 AAAA 2a01:4f8:fff0:142:102:0:0:4
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0