emx.otelcotel.com has no MX records.
Question and response
Question
dig emx.otelcotel.com. MX
Answer
The response has no answer records.
Authority
otelcotel.com. 300 SOA otelcotel.com. root.iland.net. 2025111108 10800 3600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0