mail2.drberndsen.de has no NS records.
NS records for this zone are defined at drberndsen.de.
NS records for this zone are defined at drberndsen.de.
Question and response
Question
dig mail2.drberndsen.de. NS
Answer
The response has no answer records.
Authority
drberndsen.de. 86400 SOA root-dns.netcup.net. dnsadmin.netcup.net. 2025110347 28800 7200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0