Domains with DNS TXT v=spf1 a mx ip4:188.66.18.220 include:spf.protection.outlook.com include:mailgun.org -all
There is 1 domain that have DNS TXT set to v=spf1 a mx ip4:188.66.18.220 include:spf.protection.outlook.com include:mailgun.org -all.
There is 1 domain that have DNS TXT set to v=spf1 a mx ip4:188.66.18.220 include:spf.protection.outlook.com include:mailgun.org -all.