outgoing100.ppb.worldline.com has no MX records.
Question and response
Question
dig outgoing100.ppb.worldline.com. MX
Answer
The response has no answer records.
Authority
ppb.worldline.com. 3600 SOA dns1.cscdns.net. hostmaster.cscdns.net. 2025032703 43200 7200 1209600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0