des1.oracleemaildelivery.com has no SRV records.
Question and response
Question
dig des1.oracleemaildelivery.com. SRV
Answer
The response has no answer records.
Authority
des1.oracleemaildelivery.com. 300 SOA ns1.p202.dns.oraclecloud.net. hostmaster.des1.oracleemaildelivery.com. 84171 3600 600 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0