deedee.kwberlin.com has no CNAME records.
Question and response
Question
dig deedee.kwberlin.com. NS
Answer
The response has no answer records.
Authority
kwberlin.com. 10561 SOA ns01.v-dns.de. hostmaster.v-dns.de. 2026021201 14400 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0