relay.westcall.net has no MX records.
Question and response
Question
dig relay.westcall.net. MX
Answer
The response has no answer records.
Authority
westcall.net. 3600 SOA ns2.westcall.net. hostmaster.westcall.net. 2026021700 10800 3600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0