SEARCH

How-To Geek

HOSTS File

Before centralized DNS servers, computers used a local text document, known as a HOSTS file, as a reference to link IP addresses to domain names. Although HOSTS files are no longer used as a primary domain reference, they are still included in operating systems as a way of locally manipulating the IP-to-domain resolution chain for various purposes like testing software.

Get Free Articles in Your Inbox!

Join 134,000 newsletter readers

Email:

Go check your email!