Domains with DNS TXT v=spf1 a include:spf.protection.outlook.com include:_spf.snwlhostedeu.com include:_spf.google.com include:spf.sendinblue.com include:transmail.net ~all
There is 1 domain that have DNS TXT set to v=spf1 a include:spf.protection.outlook.com include:_spf.snwlhostedeu.com include:_spf.google.com include:spf.sendinblue.com include:transmail.net ~all.