Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:mktomail.com include:ca-central-1.amazonses.com ~all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:mktomail.com include:ca-central-1.amazonses.com ~all.