mailermapfre.com has no MX records.
Question and response
Question
dig mailermapfre.com. MX
Answer
The response has no answer records.
Authority
mailermapfre.com. 3600 SOA esdns1.mapfre.net. dnsadmin.mapfre.com. 2026012801 900 600 86400 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0