Ask HN: Is secondary DNS setup worth it?

Re:Ask HN: Is secondary DNS setup worth it? by toast0 on Wednesday June 22, 2022 @03:07AM (#31832877)

How cheap is cheap? How low volume is low volume? You could run secondary DNS on a VPS anywhere. Won't be anycast of course, but won't be hard to make work either. I see lots of articles about fly.io's anycast platform, but I'm not affiliated and haven't tried anything, but they do have a page about UDP services (which don't work on IPv6 right now according to their documentation) and mention DNS. It looks like it takes a bit more config, but not that much.

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Re:Ask HN: Is secondary DNS setup worth it? by donmcronald on Wednesday June 22, 2022 @03:28AM (#31833011)

Really cheap. Lol. Maybe $50 ish per year and then I’d just tolerate exposing my bind server. Low volume is very low since most queries would be for monitoring where the DNS lookups could be done locally to the hidden primary.

Cloudflare looked super appealing because I could spin everything up in Docker containers and expose the web based part via Cloudflare Tunnel which would keep my self hosted infrastructure completely hidden.

It’s tempting to just write something that runs on Cloudflare TBH.

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Re:Ask HN: Is secondary DNS setup worth it? by toast0 on Wednesday June 22, 2022 @12:35PM (#31838229)

At your budget, I'd run authoritative DNS on the free tier at a few clouds. If you can get one resolver in east US, west US and Europe, that'll be pretty ok.

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