Re: Recommended DNS server for a medium 20-30k users isp

[Andrew Latham via NANOG <nanog () lists nanog org>]

For millions of customers I would use Knot

https://www.knot-resolver.cz/

- Andrew "lathama" Latham -

On Thu, Aug 7, 2025, 18:45 DurgaPrasad - DatasoftComnet via NANOG <
nanog () lists nanog org> wrote:

> Hello all,
> Do you have any recommendations for recursive DNS servers for a medium
> sized (20-30k users) ISP.
> We have used powerdns and unbound but sometimes find the caching times a
> bit on upper side. Any suggestions between these two or anything new?
> Also need points on how much we tune the settings
> pros and cons if any.
>
> Thank you /DP
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