Flush DNS on my Computer
Most operating systems and DNS clients will automatically cache IP Addresses and other DNS results in order to speed up site loading times. When a DNS record is changed, old DNS records will still be cached. These usually clear by themselves in time, but it is also possible to manually clear them so that a fresh lookup is performed. The following steps will allow you to flush the DNS cache for your respective operating system:
Step 1 - Click the Start button and navigate to the Command Prompt.
Step 2 - Right Click on the command prompt application and choose 'Run as Administrator'.
Step 3 - Type in the command below, then press Enter:
Step 1 - Open your Applications folder.
Step 2 - Open Utilities.
Step 3 - Double-click on Terminal.
Step 4 - Enter the relevant code from the options below:
Mountain Lion, Lion and above
If you are running Mac OS X 10.7 or 10.8, you need to run the following command:
sudo killall -HUP mDNSResponder
If you are running Mac OS X 10.6, you need to run the following command:
Leopard and below
If you are running Mac OS X 10.5.1 or below, you need to run the following command: