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Topic came up in a discussion about Omegle shutting down.

Everyone needs an "approved" modem to connect to an ISP. And from what I understand, the modem uses the DNS to find web sites, etc. Is the DNS after the modem in the ISP server side?

The ultimate question is this: could a modem capture all of the header data from every website visit and search and store that in a log, even if using a VPN?

I don't understand the networking side of things very well, but a quick search explanation says that a VPN creates an encrypted tunnel between my computer and the VPN servers - does that mean my DNS lookups happen at the VPN now?

In terms of opsec, all my activity and searches are now stored at the VPN (even the ones that say they don't log anything), and the ISP modem only really sees just "traffic"?

My thought was that the ISP modem would capture all URLs and log those, and because the "approved" modems most likely log everything and allow ISPs to download those logs remotely, nothing can be trusted. In those crime shows where the zogbots get "browsing history", really they are getting the URL logs from the ISP, that the customer (me) has no ability to delete or even know they are there.

My counter to this would be to create a script that will constantly spam the router with a fake URL that would fill up the log very quickly. Whether that log writes over old entry, like a dashcam does, or if the ISP never expects the log file to fill up and just locks at that point, I don't know.

Is it worth it to look at this? I was thinking of just writing a version of a webcrawler script that will just try to get a fake URL over and over with a large payload (no idea what the max is - 256 characters? 10k characters?) and just do this forever.