_spf.eu.clara.net has no MX records.
Question and response
Question
dig _spf.eu.clara.net. MX
Answer
The response has no answer records.
Authority
eu.clara.net. 18000 SOA ns0.clara.net. hostmaster.clara.net. 2021050301 10800 3600 1209600 18000
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0