Domains with DNS TXT v=spf1 ip4:216.58.227.165 include:spf.protection.outlook.com include:spf.smtp2go.com include:_spf.salesforce.com -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:216.58.227.165 include:spf.protection.outlook.com include:spf.smtp2go.com include:_spf.salesforce.com -all.