Since you mention a flood of queries is involved, you may be observing rate limiting as introduced by Pi-hole FTL v5.7.
By default, that would kick in for a client that exceeds 1,000 requests within 60 seconds.
Would your router exceed those?
Since you mention a flood of queries is involved, you may be observing rate limiting as introduced by Pi-hole FTL v5.7.
By default, that would kick in for a client that exceeds 1,000 requests within 60 seconds.
Would your router exceed those?