name01.weingaertner-it.de has no CNAME records.
Question and response
Question
dig name01.weingaertner-it.de. NS
Answer
The response has no answer records.
Authority
weingaertner-it.de. 3600 SOA dns10.weingaertner-it.de. markus.weingaertner-it.de. 2026021665 7200 1800 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0