Setting up a second Pi-hole as backup/redundancy

This page summarizes the projects mentioned and recommended in the original post on /r/pihole
pi-hole Raspberry Pi DNS Replication

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  • gravity-sync

    💫 The easy way to synchronize the DNS configuration of two Pi-hole 5.x instances.

    • Definitely, my static leases (for which every known device on my network has one) end at 229, and I make sure that the list of them is synced between the two holes just like the white/blacklists. I use this for the sync, BTW.

  • pihole-cloudsync

    Syncs blocklists, blacklists, and whitelists across multiple Pi-holes using a private GitHub repo

    • pihole-cloudsync

  • WorkOS

    The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

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  • pi-hole-keepalived

    • Add keepalived to the equation and you have a single dns IP address with failover. Basically, keepalived points both Pi-holes towards a virtual IP address. If your “primary” goes down, keepalived will push your “secondary” to the virtual ip, and your devices will keep on ticking.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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