owa020.serverdata.net has no MX records.
Question and response
Question
dig owa020.serverdata.net. MX
Answer
The response has no answer records.
Authority
serverdata.net. 3601 SOA ns2.serverdata.net. hostmaster.serverdata.net. 2026030721 3600 1800 1814400 3601
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0