Currently have nice long docker compose file that hosts my PiHole V6 container (along with a bunch of other containers) however, reason i ask this question is because whenever I go to pull an updated image and recreate the container I experience about 20 minutes of no DNS resolution which to my knowledge is due to the NTP clock being out of sync.
What’s the best way to host a DNS sinkhole/resolver that can mitigate this issue?
Was thinking of utilizing Proxmox & LXC but I suspect I’ll get the same experience.
Update: Turns out PiHole doesn’t support two instances, I got both of them on separate devices also set the 2nd DNS server in my routers WAN & LAN DNS settings which did in fact split DNS between both instances however, I lost access to my routers web-ui, my Traefik instance & reverse proxies died and I lost all internet access.
So, don’t do what I did.
Update 2: So everything I said in my first update let’s disregard that, turns out I had my router forcing all DNS to PiHole server 1 which caused my issues mentioned above.
Two servers appears to work!
I’m looking into Technitium, which doesn’t get a ton of attention here. It looks to be much more feature packed than PiHole (DNS over HTTPS, for example), and similar to AdGuard Home.
Man, I was excited about Technitium, but I’ve had a hell of a time trying to get it to work. I’m not sure if it’s intended to be on a DMZ in order to get TLS working or something, but I’ve not been able to get it to acknowledge a single DNS request, even when I think I’ve shut down DNSSec entirely.