spf.oracleemaildelivery.com has no SRV records.
Question and response
Question
dig spf.oracleemaildelivery.com. SRV
Answer
The response has no answer records.
Authority
spf.oracleemaildelivery.com. 1800 SOA ns1.p01.dynect.net. hostmaster.dyndns.com. 8 3600 600 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0