mta232-0.cloudwish.com has no CNAME records.
Question and response
Question
dig mta232-0.cloudwish.com. NS
Answer
The response has no answer records.
Authority
cloudwish.com. 6777 SOA ns1.fullspeed.net. support.fullspeed.net. 2026021301 3600 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0