Nice, but it has the same Problem as Radio Silence by the same Dev.
Network Events are not recorded, which means you have to have the App opened all the time. If it was closed and you open it to see, what connections were made you just get a blank window.
@ Dev : please add a keep history for a time span preference!
Unlimited, one Month, one Week, one Day, one Hour, 30, 15, 5 Minunutes should be enough settings.