ns2.domainit.de has no CNAME records.
Question and response
Question
dig ns2.domainit.de. NS
Answer
The response has no answer records.
Authority
domainit.de. 10800 SOA ns.europeandns.eu. hostmaster.webwide.de. 2020051901 14400 3600 604800 28800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0