Issue: Changes made on a DNS Server are not appearing on the local browser
Affects: Windows, Mac OSX, Linux
Solutions to the issue:

On a Windows Machine:

1. Open a Command Prompt either by searching for it (Vista and 7) in the start menu, or by opening the Start Menu selecting Run¦ and typing in the command CMD.

This will open a window with a command prompt.

2. Type the words: IPCONFIG /FLUSHDNS

3. Close the Window and try reloading the page

In Mac OSX:

1. Open a Terminal Session by opening terminal.app in Applications->Utilities.

2. In OSX versions greater than 10.5.2 Type the command: dscacheutil -flushcache

In OSX versions prior to 10.5.2 type the command : lookupd -flushcache

Linux:

1. Restart the nscd daemon with the command `/etc/init.d/nscd restart`

Author: Drew Hunzeker