ns2.kundencontroller.de has no NS records.
NS records for this zone are defined at kundencontroller.de.
NS records for this zone are defined at kundencontroller.de.
Question and response
Question
dig ns2.kundencontroller.de. NS
Answer
The response has no answer records.
Authority
kundencontroller.de. 500 SOA k1.kundencontroller.de. root.k1.kundencontroller.de. 2008012102 28800 7200 604800 500
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0