DNS traffic tracking

[Matus UHLAR - fantomas]

>On 09. 05. 22 10:34, Alex K wrote:
>>The initial and current approach is to provide DNS free of charge, 
>>which simplified things for me. Though the traffic in question is 
>>satellite traffic with monthly allowances of roughly 4 to 8GB, thus 
>>every MB counts.
>>The problem now is that I see sometime 700MB of DNS traffic for 2GB 
>>of Internet browsing within one month.

On 09.05.22 10:47, Petr Špaček wrote:
>Sounds like either:
>- Broken caching or,
>- Random subdomain attack
>to me.

maybe someone uses VPN over DNS...
in such case, rate limiting of client comes to mind...

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