n249h233.sprintdatacenter.net has no MX records.
Question and response
Question
dig n249h233.sprintdatacenter.net. MX
Answer
The response has no answer records.
Authority
sprintdatacenter.net. 3600 SOA ns1.sprintdatacenter.net. hostmaster.sprintdatacenter.net. 2019053001 86400 7200 2419200 604800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0