Apex domains cannot have CNAME records.
Question and response
Question
dig ate.info. NS
Answer
ate.info. 5 NS ate-ns05.ate.info.
ate.info. 5 NS ate-ns06.ate.info.
Authority
The response has no authority records.
Additional
ate-ns05.ate.info. 5 A 185.252.156.7
ate-ns06.ate.info. 5 A 185.75.142.253
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0