Domains with DNS TXT v=spf1 mx a include:spf.protection.outlook.com a:mail1.mailfilter.de a:mail2.mailfilter.de ip4:81.18.104.20 -all
There is 1 domain that have DNS TXT set to v=spf1 mx a include:spf.protection.outlook.com a:mail1.mailfilter.de a:mail2.mailfilter.de ip4:81.18.104.20 -all.