Domains with DNS TXT v=spf1 a mx include:maildomain._spf.datev.de include:agenturserver.de include:spf.protection.outlook.com ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:maildomain._spf.datev.de include:agenturserver.de include:spf.protection.outlook.com ~all.