Apex domains cannot have CNAME records.
Question and response
Question
dig obenetwork.net. NS
Answer
obenetwork.net. 1 NS ns02.obenetwork.com.
obenetwork.net. 1 NS ns01.obenetwork.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0