Apex domains cannot have CNAME records.
Question and response
Question
dig hutman.net. NS
Answer
hutman.net. 5 NS dns1.hutman.net.
hutman.net. 5 NS dns2.hutman.net.
hutman.net. 5 NS dns3.hutman.net.
Authority
The response has no authority records.
Additional
dns1.hutman.net. 5 A 66.228.61.38
dns2.hutman.net. 5 A 45.56.88.93
dns3.hutman.net. 5 A 142.93.251.249
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0