Apex domains cannot have CNAME records.
Question and response
Question
dig my.games. NS
Answer
my.games. 5 NS ns-5.geo.my.games.
my.games. 5 NS ns-3.geo.my.games.
my.games. 5 NS ns-1.geo.my.games.
my.games. 5 NS ns-4.geo.my.games.
Authority
The response has no authority records.
Additional
ns-1.geo.my.games. 5 A 23.111.95.228
ns-3.geo.my.games. 5 A 209.192.241.188
ns-4.geo.my.games. 5 A 99.83.192.44
ns-5.geo.my.games. 5 A 15.197.196.166
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0