Domains with DNS TXT v=spf1 a include:spf.protection.outlook.com include:spf.mailcluster.com.au include:customer.mailguard.com.au ip4:59.167.172.148 -all
There are 2 domains that have DNS TXT set to v=spf1 a include:spf.protection.outlook.com include:spf.mailcluster.com.au include:customer.mailguard.com.au ip4:59.167.172.148 -all. The top 2 records ordered by domain rank are listed below.