How to check your SPF record?

Please go to http://www.kitterman.com/spf/validate.html

這篇文章有幫助嗎?

 列印本文

Also Read

How to check your DNS records?

Please go to this link : http://www.robtex.com/dns/

What is an Internet Service Provider?

ISP stands for Internet Service Provider. An ISP provides Internet Services. A...

What is a Web Server?

The collection of all your web pages is called your web site. To let others view your...

What is the World Wide Web?

The Web is a network of computers all over the world. All the computers in the Web...

What is ping? and what is it for?

A basic Internet program that lets you verify that a particular Internet address exists and can...