ieas.esteticamorena.com has no MX records.
Question and response
Question
dig ieas.esteticamorena.com. MX
Answer
The response has no answer records.
Authority
esteticamorena.com. 3600 SOA dns.esteticamorena.com. hostmaster.esteticamorena.com. 1886614106 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0