[Pdns-users] Low ttl with combination of forward zones makes queries fail

[Brian Candler]

On 08/02/2022 12:24, Thomas Mieslinger via Pdns-users wrote:
> But remember, pdns_recursor does not do background checking whether a
> Nameserver is alive. Background checking is only done by dnsdist afaik. 

That's a good point.  dnsdist continuously sends one query per second to 
each backend to check it's alive.