Domains with DNS TXT v=spf1 include:spf01.ricoh.com.vn include:spf02.ricoh.com.vn include:spf.protection.outlook.com include:zcsend.net -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf01.ricoh.com.vn include:spf02.ricoh.com.vn include:spf.protection.outlook.com include:zcsend.net -all.