ispconfig.inexio.net has no CNAME records.
Question and response
Question
dig ispconfig.inexio.net. NS
Answer
The response has no answer records.
Authority
inexio.net. 3600 SOA ns1.inexio.net. hostmaster.inexio.net. 2026030620 28800 3600 1728000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0