Domains with DNS TXT v=spf1 a ip4:223.27.24.63 ip4:203.176.98.234 include:customer.mailguard.com.au include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 a ip4:223.27.24.63 ip4:203.176.98.234 include:customer.mailguard.com.au include:spf.protection.outlook.com -all.