"Time out: No Further Information" on client when connect to minecraft server because of a specific network provider

Client side cannot connect to server because of time out with no further information.
All users who use a specific network provider having the same effect.
How can I fix this?

Are they trying to connect using the new “.joinmc.link” domain? You may need to have them update their DNS: How to change your DNS server | playit.gg - support pages