a.dns.nic.berlin has no NS records.
NS records for this zone are defined at nic.berlin.
NS records for this zone are defined at nic.berlin.
Question and response
Question
dig a.dns.nic.berlin. NS
Answer
The response has no answer records.
Authority
nic.berlin. 30 SOA sec1.rcode0.net. ops.nic.at. 2026033536 10800 3600 604800 30
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0