Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:customer.mailguard.com.au include:mailgun.net ip4:139.5.112.42 -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:customer.mailguard.com.au include:mailgun.net ip4:139.5.112.42 -all.