
5 days
You mean letters without “Rechtsbehelfsbelehrung” which is information on legal remedies. If that information on legal remedies isn’t on a letter, then yes a fictive person could always ignore such a fictive letter. I am not a lawyer!

You mean letters without “Rechtsbehelfsbelehrung” which is information on legal remedies. If that information on legal remedies isn’t on a letter, then yes a fictive person could always ignore such a fictive letter. I am not a lawyer!

As long as this does not log nor allow tracing packets etc. yes.
You mean the “default” DNS entry is gone for these sites but you can use simply another DNS.