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?
It’s super achievable - I’ve run my own DNS for ages, there are a few common pitfalls but overall it’s pretty low maintenance.
Personally I use PowerDNS, but you could also use something like BIND. I find PDNS to be a little easier to configure
Make sure you are looking at the docs for PowerDNS Authoritative, not PowerDNS recursor
You install PDNS Authoritative on bother servers, then designate one as a primary (/master) and the other as a secondary (/slave/replica). You create records on the primary, and configure it to replicate the records to the secondary using AXFR
I’d recommend using one of the database backends for PDNS - personally I use Postgresql. Sqlite is simpler to set up, but I’ve had issues where making multiple updates over the API causes errors due to locking
DNSSEC is a bit fiddly to set up initially, but doesn’t add much operational overhead once it’s running
Take a looks at glue records if your want to host the domain that the nameservers themselves use
Once you’ve got things running, consider something like https://ns-global.zone as a backup
Feel free to ping me if you have questions or need help getting things set up
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).
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It’s super achievable - I’ve run my own DNS for ages, there are a few common pitfalls but overall it’s pretty low maintenance.
Feel free to ping me if you have questions or need help getting things set up
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
pdnsutilCLI 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).