NET-SCALE-ZH-TENANT-SEPPMAIL.switch.ch has no CNAME records.
Question and response
Question
dig NET-SCALE-ZH-TENANT-SEPPMAIL.switch.ch. NS
Answer
The response has no answer records.
Authority
switch.ch. 145 SOA scsnms.switch.ch. dns-operation.switch.ch. 2026030701 900 600 604800 180
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0