registry.salt.ac.za has no MX records.
Question and response
Question
dig registry.salt.ac.za. MX
Answer
The response has no answer records.
Authority
salt.ac.za. 10800 SOA ns1.saao.ac.za. hostmaster.saao.ac.za. 2025120400 28800 7200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0