server.isthilfreich.de has no NS records.
NS records for this zone are defined at isthilfreich.de.
NS records for this zone are defined at isthilfreich.de.
Question and response
Question
dig server.isthilfreich.de. NS
Answer
The response has no answer records.
Authority
isthilfreich.de. 86400 SOA root-dns.netcup.net. dnsadmin.netcup.net. 2026020575 28800 7200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0