Domains with DNS TXT v=spf1 include:_spf.salesforce.com include:spf.protection.outlook.com include:aspmx.pardot.com include:_spf.firespring.com ~all
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.salesforce.com include:spf.protection.outlook.com include:aspmx.pardot.com include:_spf.firespring.com ~all.