I installed pihole today and before I pointed my router or any device to the pihole, dozens of requests showed up – about half of them being approved and half being blocked by the gravity list.
It seems like almost all PTR requests were allowed, and A and AAAA requests were filtered. Looking at the domains, some look like they are ads, one looks like an illicit site, myspace shows up.
The client list is empty and like I said, I haven't configured anything to use it.
I worried that somehow my server was compromised, but I can't seem to find other indicators of that. Another idea I have is that somehow as part of the setup that the Pihole itself does some kind of diagnostic requests which show up in the logs, but I don't have other evidence for that.
Any ideas?
Source: r/pihole · by /u/echopurpose