Topic: DNS lookup slow and "no internet connection"

Hello,

My latest Zorin 12 Ultimate problems: I seem to be having a lot of trouble with DNS probing - whatever that is. Also “There is no internet connection” is being reported from my various browsers when “Networks” clearly shows that my home WiFi network is operational. No other home devices i-pad, internet TV etc. are having problems with my BT Home Hub 5 router. Is there anything that I can do to make things as good as they are on my Zorin 9 laptop, which never shows these issues and is much faster to obtain items in my browsers?

Any help will be apprecited.

I didn't find the right solution from the Internet.

References:
https://zoringroup.com/forum/viewtopic. … mp;t=13267
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Thank you.