I can't join HYPERLANDS but others whihc are already mentioned when u install the game

When I downloaded 1.17 for a few days it was letting me in , in HYPERLAND but it started when I tried to log back on I tried everything but didn't work please help is it a glitch or I don't know it's not even because of my internet or wifi cuz it was working in 1.14 and 1.16 but at 1.17.10 it started