mx.postal.flexiblyrigid.au has no CNAME records.
Question and response
Question
dig mx.postal.flexiblyrigid.au. NS
Answer
The response has no answer records.
Authority
flexiblyrigid.au. 1324 SOA ns1.kseit.au. admin.kseit.au. 2024080999 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0