186.174.73.200.cab.prima.net.ar has no MX records.
Question and response
Question
dig 186.174.73.200.cab.prima.net.ar. MX
Answer
The response has no answer records.
Authority
prima.net.ar. 3600 SOA ns1.101domain.com. ADMIN.prima.net.ar. 2021092704 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0