Getting a lookup a second from each of my sky TV boxes (3 of them)

[Mike_R]

@yubiuser

llows only a single query per client within 10 seconds to pass. Already opening the web interface from a client will send multiple requests and trigger the rate limit for that client.
You'r basically blocking the internet for your clients.

Your debug log is Ok, except of your not google (8.8.8.8)

yeah I had to do that as I have blocked all but 1.1.1.1 and 1.0.0.1 at the firewall and the sky boxes ping it to confirm internet connectivity, adding 8.8.8.8 as a secondary ip kept these happy