Apex domains cannot have CNAME records.
Question and response
Question
dig gmo-ps.com. NS
Answer
gmo-ps.com. 5 NS ns005-so3iu9n0qpj74l66.s.d-53.org.
gmo-ps.com. 5 NS ns005-so3iu9n0qpj74l66.s.d-53.jp.
gmo-ps.com. 5 NS ns005-so3iu9n0qpj74l66.s.d-53.info.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0