teleserosuite4.com has no MX records.
Question and response
Question
dig teleserosuite4.com. MX
Answer
The response has no answer records.
Authority
teleserosuite4.com. 1800 SOA nicole.ns.cloudflare.com. dns.cloudflare.com. 2395177831 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0