wohnungen.communityphonebook.com has no NS records.
NS records for this zone are defined at communityphonebook.com.
NS records for this zone are defined at communityphonebook.com.
Question and response
Question
dig wohnungen.communityphonebook.com. NS
Answer
The response has no answer records.
Authority
communityphonebook.com. 3601 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1770797232 43200 3600 604800 3601
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0