spf1.akzonobel.com has no MX records.
Question and response
Question
dig spf1.akzonobel.com. MX
Answer
The response has no answer records.
Authority
spf1.akzonobel.com. 3600 SOA ns1.akzonobel.com. extdns.akzonobel.com. 2015032526 3600 10800 604800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0