mailbe.hcc.net has no CNAME records.
Question and response
Question
dig mailbe.hcc.net. NS
Answer
The response has no answer records.
Authority
hcc.net. 452 SOA mailbe.hcc.net. hostmaster.hcc.net. 2018041095 600 3600 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0