Verständnissfrage DMARC und SPF

<feedback>
<report_metadata>
<org_name>Zammad GmbH</org_name>
<email>hostmaster+dmarc_reports@zammad.com</email>
<report_id>firmaxyz.de.1729641600.1729728000</report_id>
<date_range>
<begin>1729641600</begin>
<end>1729728000</end>
</date_range>
</report_metadata>
<policy_published>
<domain>firmaxyz.de</domain>
<adkim>r</adkim>
<aspf>r</aspf>
<p>none</p>
<sp>none</sp>
<pct>100</pct>
</policy_published>
<record>
<row>
<source_ip>193.22.255.32</source_ip>
<count>1</count>
<policy_evaluated>
<disposition>none</disposition>
<dkim>fail</dkim>
<spf>fail</spf>
</policy_evaluated>
</row>
<identifiers>
<header_from>firmaxyz.de</header_from>
</identifiers>
<auth_results>
<spf>
<domain>mx01.busymouse24.de</domain>
<result>none</result>
</spf>
</auth_results>
</record>
<record>
<row>
<source_ip>193.22.255.32</source_ip>
<count>2</count>
<policy_evaluated>
<disposition>none</disposition>
<dkim>fail</dkim>
<spf>pass</spf>
</policy_evaluated>
</row>
<identifiers>
<header_from>firmaxyz.de</header_from>
</identifiers>
<auth_results>
<spf>
<domain>firmaxyz.de</domain>
<result>pass</result>
</spf>
</auth_results>
</record>
</feedback>

nslookup -type=txt firmaxyz
text = "v=spf1 include:spf.busymouse24.de -all"  

nslookup -type=txt spf.busymouse24.de
text = "v=spf1 a:relay01.onlineworkplace.de a:relay02.onlineworkplace.de a:mx01.busymouse24.de a:mx02.busymouse24.de ~all"  

nslookup mx01.busymouse24.de
Address:  193.22.255.32