When you use DNS to resolve hostnames to IP addresses or services end point addresses, and you make a change in your domain zone configuration you have to reload the cached records on your devices so the new addresses will be used for processing. You have two options:
- wait while the DNS cache of your device will expire and your device will send a new DNS query request
- clear the cache manually
On Windows you can clear the DNS cache with the “ ipconfig /flushdns ” command.
On Cisco gears you can use the “ clear hosts * ” enable mode command.
clear host *
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