tn has no MX records.
Question and response
Question
dig tn. MX
Answer
The response has no answer records.
Authority
tn. 86400 SOA ns1.ati.tn. hostmaster.ati.tn. 2026031352 21600 10800 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0