Domains with DNS TXT v=spf1 include:spf-1.ust.co.th include:spf.protection.outlook.com include:spf-1.csloxinfo.com -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf-1.ust.co.th include:spf.protection.outlook.com include:spf-1.csloxinfo.com -all.