Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:mailgun.org ip4:174.138.160.50 -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:mailgun.org ip4:174.138.160.50 -all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com include:mailgun.org ip4:174.138.160.50 -all