spf_tbe.taleo.net has no MX records.
Question and response
Question
dig spf_tbe.taleo.net. MX
Answer
The response has no answer records.
Authority
taleo.net. 300 SOA ns1.p201.dns.oraclecloud.net. hostmaster.taleo.net. 598322820 3600 600 604800 1800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0