Domains with DNS TXT v=spf1 include:osn.de include:spf.protection.outlook.com ~all
There is 1 domain that have DNS TXT set to v=spf1 include:osn.de include:spf.protection.outlook.com ~all.
There is 1 domain that have DNS TXT set to v=spf1 include:osn.de include:spf.protection.outlook.com ~all.