mx1.computerfarm.ch has no NS records.
NS records for this zone are defined at computerfarm.ch.
NS records for this zone are defined at computerfarm.ch.
Question and response
Question
dig mx1.computerfarm.ch. NS
Answer
The response has no answer records.
Authority
computerfarm.ch. 10800 SOA postino.computerfarm.ch. postmaster.computerfarm.ch. 2026012601 10800 3600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0