Domains with DNS TXT v=spf1 mx ptr a:mail.singnet.com.sg ip4:113.29.227.156 ip4:85.187.128.25 include:singnet.com.sg include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 mx ptr a:mail.singnet.com.sg ip4:113.29.227.156 ip4:85.187.128.25 include:singnet.com.sg include:spf.protection.outlook.com -all.