raiz.uncuyo.edu.ar has no MX records.
Question and response
Question
dig raiz.uncuyo.edu.ar. MX
Answer
The response has no answer records.
Authority
uncuyo.edu.ar. 600 SOA raiz.uncuyo.edu.ar. hostmaster.uncuyo.edu.ar. 2026022801 600 600 600 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0