Andy Burns wrote:
Bob Minchin wrote:

Forcing my phone to use 4G I can connect ok but not on wifi so I can
only conclude that there is some issue with my ISP -virginmedia.

DNS for me resolves to 91.109.4.14, is yours different?

Hmm!
If I've done it correctly, a ping test to that address gives

C:\Users\latitudeE7240ping 91.109.4.14

Pinging 91.109.4.14 with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 91.109.4.14:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

C:\Users\latitudeE7240