Domains with DNS TXT v=spf1 ip4:116.90.51.227 include:spf.mailcluster.com.au include:spf.protection.outlook.com include:_spf-us.ppe-hosted.com -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:116.90.51.227 include:spf.mailcluster.com.au include:spf.protection.outlook.com include:_spf-us.ppe-hosted.com -all.