I opend minecraft on 1.12 to join a server then i saw that every server on my server list said could not conect to server exept one  when i checked them none of them had an ip or name exept one.

Plis help me i had a lot of servers that i dont remember the ip off

Also i tried to conect to a server with is it just came up an error in red text

I opend up the game again this time with 1.15.2 Optifine and i saw the same

Here is a clip of the list: https://medal.tv/clips/22444558/d1337cm95vBX

I opend the game originaly in vanila 1.12.2 and when i opend minecraft with 1.15.2 (optifine) i saw exactly the same as i had seen in 1.12.2

But if you realy wan to see   here is it in 1.15.2 Vannilla:

https://medal.tv/clips/22465221/d1337uYsze02