2 January, 2023
Hey, guys. I have been experiencing the exact same problem recently. For about a month, I have not been able to connect with any Minecraft servers. I had a list with at least ten servers, but they all said "Can't connect to server".
Just a few days prior to this, my brother and I had created our own server. He port-forwarded and all, and I was able connect to it for the first few weeks. Then, I couldn't connect to it anymore unless I was using his laptop, which is where the server is hosted. Although I don't know if it has anything to do the current situation, I thought I'd mention it. I can still connect to it even if I use his laptop and his laptop alone. He can't connect to any other servers than ours.
I don't see any reason why we couldn't connect. I understand that he had some issues with the router for port forwarding. However, we were able connect to other servers for a few more days before everything went down. I would be grateful if you could help me with this!
We also got a new router just as our problems began. Although I don't think this would have made any difference, maybe I need to fix something with the router. Please let me know.