Could be a Bluetooth beacon. Even if you turned Bluetooth "off" your phone still receives signals. Or the app can access the cell tower information even with location turned off.
Is your phone an Android or iPhone?
Just looked it up.
Under Services > Unbound DNS > Overrides you can add an entry for your server as an DNS A record and be done with
My guess for the ping is, that the domain resolves to the IP of your OPNsense-router, hence it's not your server responding, but the router.
I haven't set up port forwarding for OPNsense, but my guess would be it's only working for connections from the wan interface or some local rebind protection. You could set up a DNS-override in the unbound settings for your domain and redirect to the internal IP-address, no need to set up an additional DNS-server.
Are both US cops (or sheriffs) able to exercise extraterritorial jurisdiction whilst they're abroad?
In Germany everybody, this includes foreigners, has the right to detain a criminal. But there are some things to consider. First you are endangering yourself by engaging with a criminal. Second if you are wrong and the person you are detaining hasn't committed a crime but, lets say, just a petty offence, you yourself can get in trouble for unlawful detainment and assault.
I'm pretty sure, the comment of Something Burger was related to Mehran Karimi Nasseri
The hardware bought by a company can't be bought and used by the competitor.
I own the InkPad Color 2. It runs on an, I guess, embedded Linux not Android. So no Android apps.
You can upload your e-books through USB or download them e.g. through the PockeBook-Shop or the installed webbrowser.
You could look into PocketBook. It was founded in Ukraine and is now based in Switzerland.
In my opinion you can't meet everyones needs. The moment a desired person chooses a different romantic partner, you've got grounds to start wars.
PocketBook also has nice readers and as far as I know they run an embedded Linux as OS.