net.za has no MX records.
Question and response
Question
dig net.za. MX
Answer
The response has no answer records.
Authority
net.za. 3600 SOA ns.coza.net.za. support.registry.net.za. 2025064790 21600 7200 1814400 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0