mail.schebitz.name has no NS records.
NS records for this zone are defined at schebitz.name.
NS records for this zone are defined at schebitz.name.
Question and response
Question
dig mail.schebitz.name. NS
Answer
The response has no answer records.
Authority
schebitz.name. 86400 SOA ns1.ns-serve.net. root.ns1.ns-serve.net. 1127226575 10800 3600 604800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0