FortiGuard DNS servers are offline

Update 18.9.2023: The Problem has been solved. The servers are up and running again.

As we noticed, the FortiGuard DNS servers are offline at the moment.

Affected IP addresses:

Not affected IP addresses:

You can check, if the servers are responding to your DNS requests with the following windows and linux CLI command:


To temporary solve the issues caused by the timed out DNS requests, you can use other DNS servers on your FortiGate:

config system dns
    set primary
    set secondary

Please use your preferred DNS servers for DNS resolution and replace the IP addresses listed above with your favorite DNS provider.


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