Domains with DNS TXT v=spf1 ip4:50.239.120.146 include:spf.smtp2go.com include:spf.protection.outlook.com include:spf-us.emailsignatures365.com -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:50.239.120.146 include:spf.smtp2go.com include:spf.protection.outlook.com include:spf-us.emailsignatures365.com -all.