aib29agb0.bom1.oracleemaildelivery.com has no MX records.
Question and response
Question
dig aib29agb0.bom1.oracleemaildelivery.com. MX
Answer
The response has no answer records.
Authority
bom1.oracleemaildelivery.com. 300 SOA ns1.p68.dns.oraclecloud.net. hostmaster.bom1.oracleemaildelivery.com. 732425 3600 600 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0