ns2.qlns.ch has no MX records.
Question and response
Question
dig ns2.qlns.ch. MX
Answer
The response has no answer records.
Authority
qlns.ch. 7200 SOA . admin.qlns.ch. 2025031801 10800 3600 604800 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0