this post was submitted on 12 Mar 2025
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How do you host your DNS sinkhole/resolver? (sh.itjust.works)
submitted 1 year ago* (last edited 1 year ago) by ohshit604@sh.itjust.works to c/selfhosted@lemmy.world
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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!

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[–] HRYDJPCHNMNDGBLTFIYA@lemm.ee 2 points 1 year ago

I don't rely on it, but for guests etc I use adblock on OpenWrt with https://oisd.nl/. It's supposed to have no false positives