Domains with DNS TXT v=spf1 include:_u.schulte-strathaus.de._spf.dmarcli.com include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 include:_u.schulte-strathaus.de._spf.dmarcli.com include:spf.protection.outlook.com -all.