Domains with DNS TXT v=spf1 +a +mx +ip4:203.210.102.34 +include:spf.protection.outlook.com +include:customer.mailguard.com.au -all
There is 1 domain that have DNS TXT set to v=spf1 +a +mx +ip4:203.210.102.34 +include:spf.protection.outlook.com +include:customer.mailguard.com.au -all.