057-145-088-212.ip-addr.vsenet.de has no CNAME records.
Question and response
Question
dig 057-145-088-212.ip-addr.vsenet.de. NS
Answer
The response has no answer records.
Authority
ip-addr.vsenet.de. 3219 SOA ns1.vsenet.net. hostmaster.vsenet.net. 2025110401 28800 3600 1728000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0