[DNSOP] Re: PQ DNSSEC?

> Right. We used the probe's local resolver, and the TCP/UDP and DO
> choice is the client's (think dig +tcp etc.).
> 
> If that +tcp switch changes the error rate, then the bottleneck
> may be between the stub and the resolver, not upstream. So, yes,
> interpretation is necessary.

If the client requests A or AAAA with DO=0 then TCP or not should
not have a significant effect. If it does, then something weird is going
on.

I now wonder if some software has a rather low limit on the size of
records or RRsets. In that case we can expect failures even with
perfect transport connections.


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