dns.noris.ch has no CNAME records.
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