What is Host Cache

Host cache is a temporary storage area where a browser, operating system, or network service keeps a list of recently looked-up web domain names paired with their IP addresses.

Think of it as a Local address book for the internet.

Steps to clear Host Cache

Clear the Host Cache: 

1. Navigate to one of the following in your web browser:
   (Please copy paste the correct URI below into your browser search bar and press enter.) 
   
   If on Chrome:
   chrome://net-internals/#dns 

If on Edge:
edge://net-internals/#dns

(If on Safari, go to the next recommendation) 

2. Click the “Clear Host Cache” button
3. Restart your browser

Clear 3rd Party Cookies Related To Brainshark:

1. Choose one of the following

If in Chrome:

• chrome://settings/privacy
  (Please copy paste this into your browser and press enter.) 
• Go to: "Third Party Cookies"
• Go to: "See All Site Data and Permissions"
• In the upper right type "brainshark.com" in the search filter
• Delete the brainshark.com entry

If in Edge: 

• edge://settings/privacy
  (Please copy paste this into your browser and press enter.) 
• Go to: "Cookies"
• Go to: "See All Site Data and Permissions"
• In the upper right type "brainshark.com" in the search filter
• Delete the brainshark.com entry

If In Safari:

• Settings → Privacy → Manage Website Data
• Search for brainshark.com
• Delete brainshark.com cookies, etc. 

2. Restart your browser

Clear the DNS resolver cache on the machine generally with:

1. On Windows, from a command prompt: 
   
   ipconfig /flushdns

On Mac, from a terminal window: 

sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder 

2. Restart your browser

If you are not familiar with using the command prompt or terminal, you can also simply reboot your computer, as it will have the same effect.