uy has no MX records.
Question and response
Question
dig uy. MX
Answer
The response has no answer records.
Authority
uy. 1200 SOA seciu.edu.uy. dns-adm.seciu.edu.uy. 2026022143 21600 10800 432000 1200
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0