smtp.hosting.neobee.net has no CNAME records.
Question and response
Question
dig smtp.hosting.neobee.net. NS
Answer
The response has no answer records.
Authority
hosting.neobee.net. 6926 SOA pcelica.neobee.net. dns.neobee.net. 2018102401 28800 14400 3600000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0