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New Contributor

FortiGuard DNS issue

Recently ran into an issue where the Fortigate was providing incorrect IP addresses for requests to Microsoft domains. This led to certificate errors in outlook and browser connections to


There appears to be some Reddit evidence of other users also seeing this issue:


Looks like the same IP that we saw ( and Certificate (SubName =


As a work-around you can change your FW DNS settings to point to a 3rd party DNS provider, but curious if other people are seeing this and/or how to keep it from happening while using FortiGuard services for DNS. (I believe this is a requirement to leverage DNS filtering)

New Contributor

Is there anywhere I can lookup the details/status of that bug ID?


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