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run my own authoritative DNS (lemmy.world)

submitted 1 year ago by johnnychicago@lemmy.world to c/selfhosted@lemmy.world

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Hello --

I have my DNS with a cloud provider that I want to stop using, and was considering where to move it (a few domains with a handful entries each). At some point I was wondering if I should run it myself. I have two VPS' in different data centers with fixed IP addresses, and I read up a bit - seems like this is doable. I am not set on what software to use. I would like it to run in a container. Does anybody have any recommendations, positive or negative?

Thanks :)

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[–] lidstah@lemmy.sdf.org 1 points 1 year ago

Kudos for mentionning powerDNS, it's an amazing software :)

One thing I love with powerDNS is the various backends available, notably the postgreSQL and mariaDB/mysql ones. Only the primary powerdns instance modifies the database records, the secondary instances just read from database (master or replicas). Thus, no real need for AXFR: as soon as you added/modified a record on the primary, the secondary pdns servers will see it in the database.

The pdnsutil CLI tool is also really convenient, and the powerDNS API is a godsend when you need to automatise stuff for thousands of domains and hundred of thousands of records. There's also a nice third-party webUI (powerdns-admin, docker image: pdnsadmin/pda-legacy). Bonus, Terraform does have a powerdns provider.

At work we use dnsdist (from powerDNS too) to load-balance between our powerdns instances (with caching!), and to filter out/rate-limit/temporary ban bad actors (dns laundering, records enumeration and such for example).