mailgate01.rednet.ch has no NS records.
NS records for this zone are defined at rednet.ch.
NS records for this zone are defined at rednet.ch.
Question and response
Question
dig mailgate01.rednet.ch. NS
Answer
The response has no answer records.
Authority
rednet.ch. 3600 SOA customerdns001.redcloud.ch. rednet.ch. 2026012001 86400 7200 3600000 172800
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0