Apex domains cannot have CNAME records.
Question and response
Question
dig jpmens.net. NS
Answer
jpmens.net. 5 NS ns2.dnspartner.de.
jpmens.net. 5 NS lumpy.jpmens.net.
jpmens.net. 5 NS woozle.jpmens.net.
jpmens.net. 5 NS ns1.dnspartner.de.
Authority
The response has no authority records.
Additional
lumpy.jpmens.net. 5 A 45.83.107.24
woozle.jpmens.net. 5 A 82.196.0.143
lumpy.jpmens.net. 5 AAAA 2a03:4000:46:320:3870:c9ff:fec8:dc1a
woozle.jpmens.net. 5 AAAA 2a03:b0c0:0:1010:0:0:33:2001
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0