helpsupe.superdnsserver.net has no CNAME records.
Question and response
Question
dig helpsupe.superdnsserver.net. NS
Answer
The response has no answer records.
Authority
superdnsserver.net. 900 SOA ns1.superdnsserver.net. hostmaster.superhosting.bg. 2013076251 3600 600 2419200 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0