Martin Liddle – 13 mins ago »
A1944 – 6 hours ago »
Yes, those are the settings in my Archer router that I set to the two DNS values mentioned in post 13 above.
But you didn’t make it clear that you were setting the DNS in the DHCP section; I think most people would have assumed you were setting it for the WAN.
That is true, mainly because it is many months since I set it up (and much has happened in life since then!) and so I had forgotten the details.
Hopefully, now that is clarified, the OP will be able to give it a try.