ns2.dtst.de has no NS records.
NS records for this zone are defined at dtst.de.
NS records for this zone are defined at dtst.de.
Question and response
Question
dig ns2.dtst.de. NS
Answer
The response has no answer records.
Authority
dtst.de. 14400 SOA ns1.swiss-dns.com. service.dtst.de. 2025030401 14400 7200 2419200 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0