Apex domains cannot have CNAME records.
Question and response
Question
dig macmonac.info. NS
Answer
macmonac.info. 5 NS ns2.macmonac.info.
macmonac.info. 5 NS ns1.macmonac.info.
Authority
The response has no authority records.
Additional
ns1.macmonac.info. 5 A 185.9.158.35
ns2.macmonac.info. 5 A 185.9.158.42
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0