Go to http://www.intodns.com/ and enter your own domain name (do not enter ‘www’). The result shows the health and configuration of your DNS, Email and Web server.

Spot any Red (Error) or Yellow (Warning) rows? Ask Pin (pin@1.com.my)
Go to http://www.kitterman.com/spf/validate.html and enter your own domain name (do not enter ‘www’). The result shows if you have a SPF record. SPF fights return-path address forgery and makes it easier to identify spoofs.

Spot 'No type SPF records found? Ask Pin (pin@1.com.my)