dns.noris.ch has no NS records.
NS records for this zone are defined at noris.ch.
NS records for this zone are defined at noris.ch.
Question and response
Question
dig dns.noris.ch. NS
Answer
The response has no answer records.
Authority
noris.ch. 600 SOA dns0.noris.net. hostmaster.noris.net. 2014031702 86400 1800 2419200 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0