saluduniversal.net.do has no MX records.
Question and response
Question
dig saluduniversal.net.do. MX
Answer
The response has no answer records.
Authority
saluduniversal.net.do. 3600 SOA 196.3.81.120. hostmaster.196.3.81.120. 2019020705 86400 7200 3600000 172800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0