ns3.utn.edu.ar has no MX records.
Question and response
Question
dig ns3.utn.edu.ar. MX
Answer
The response has no answer records.
Authority
utn.edu.ar. 3600 SOA ns3.utn.edu.ar. hostmaster.utn.edu.ar. 2025122001 7200 3600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0