Matt The Horwood

If you run a single DNS server, you will always have downtime when it’s restarted.

The only way to mitigate that, is to run 2 DNS servers.

I setup my network to use pihole as the first DNS and the router as the second, most of the time pihole is used. Unless it’s down

I would recommend not using a mobile to edit a spreadsheet, I have tried and gave up as its less the ideal.

You need a way to hand it a file for editing, nextcloud can do that