_spf.radicenter.eu has no MX records.
Question and response
Question
dig _spf.radicenter.eu. MX
Answer
The response has no answer records.
Authority
radicenter.eu. 3600 SOA ns1.radicenter.com. hostmaster.radicenter.eu. 2025052147 21600 3600 2419200 3600
Additional
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0