this post was submitted on 11 Nov 2025
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Why do you have more than one? Is this for an enterprise-level situation?
So the whole house doesn’t go down and/or need to be reconfigured to do an update
Pfft... Redundancy... Over-rated. ;)
I've found that if I set primary as pihole and secondary as, say 1.1.1.1. then, my android phone will pick either one seemingly randomly. So my local DNS doesn't work.
My workaround was to do two pihole. I forget how I sync them though.
I see. I set my router's DNSs to pihole for the first and then one of adguard's public IPs for the second.
My dns config options always have at least two spots. Obviously, this means I need two piholes to fill them both up.
More seriously, it has actually saved my network from going down a couple times already.
Just a home lab for fun and experimenting.