How to check your SPF record?

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

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How does the WWW work?

Web information is stored in documents called web pages.  Web pages are files...

How to check your DNS records?

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

How does a Browser Fetch a Web Page?

A browser fetches a page from a web server by a request. A request is a standard HTTP...

What is ping? and what is it for?

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

How does a Browser Display a Web Page?

All web pages contain instructions for display. The browser displays the page...