F-Secure Network Filter Blocked a DNS query for the following unsafe domain

So I am new to F-Secure at this new company and I have noticed on their DNS servers there is this message for various "unsafe domains" that repeats (a LOT) of times in the F-Secure logs: "F-Secure Network Filter blocked a DNS query for the following unsafe domain: offers.inbox-labs-tracking.com (or any domain from a growing list of non-work related domains).


Can anyone point me towards a solution or where I can get more information on the cause of this - virus, misconfigured dns, etc?

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