why does home assistant keep trying to connect to IP addresses 1.0.0.1 and 1.1.1.1 on TCP port 853? my firewall keeps blocking several of those attempts per second but home assistant keeps trying 
I believe it is a fall-back if your DNS is not set up correctly.
but then why does it happen several times a second? why doesn’t it just use the pi-hole in my other pi? and yes, that is the DNS address i have given it.
Probably because it cant reach an NTP server or something else it needs to because your pi-hole is blocking it.
something like that should show up in the pihole logs. time to check…
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