_spf.kabi.si has no MX records.
Question and response
Question
dig _spf.kabi.si. MX
Answer
The response has no answer records.
Authority
kabi.si. 3600 SOA ns.kabi.si. postmaster.kabi.si. 202212194 3600 1800 604800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0