2.179.93.190.linktelecom.com.py has no MX records.
Question and response
Question
dig 2.179.93.190.linktelecom.com.py. MX
Answer
The response has no answer records.
Authority
linktelecom.com.py. 86400 SOA ns1.linktelecom.com.py. hostmaster.linktelecom.com.py. 738678144 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0