mail.dobsontechnologies.net has no MX records.
Question and response
Question
dig mail.dobsontechnologies.net. MX
Answer
The response has no answer records.
Authority
dobsontechnologies.net. 600 SOA dobsontechnologies.net. postmaster.intelleqcom.net. 2020120801 28800 7200 604800 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0