Domains with DNS TXT v=spf1 a include:spf.protection.outlook.com include:autotask.net include:spf.smtp2go.com include:_spf.prontomarketing.com -all
There is 1 domain that have DNS TXT set to v=spf1 a include:spf.protection.outlook.com include:autotask.net include:spf.smtp2go.com include:_spf.prontomarketing.com -all.