_spf.ekhosting.nl has no MX records.
Question and response
Question
dig _spf.ekhosting.nl. MX
Answer
The response has no answer records.
Authority
ekhosting.nl. 3600 SOA ns1.ek-hosting.net. hostmaster.ekhosting.nl. 2026021200 3600 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0