Make your browsing experience faster by avoiding wait time on DNS lookups
NoRedirect lets the user take control of HTTP redirects. It can be used to interdict an ISP's DNS search redirection hijacks, preview/screen "shortened" URLs (e.g., TinyURL), stop the annoying redirection of "smart" error pages, etc.
Allows you to disable and enable or manually flush the DNS Cache of Firefox
Clear your firefox DNS cache after changing your hosts configuration.