west.cox.net has no MX records.
Question and response
Question
dig west.cox.net. MX
Answer
The response has no answer records.
Authority
west.cox.net. 3600 SOA dukensumpov1z.services.cox.net. hostmaster.cox.net. 781212158 28800 7200 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0