Admin panel not working. Connection times out

Hi, Cyberpanel admin page is showing The connection has timed out. All my websites are showing the same connection timed out. I tried many times but still the same problem. It was working fine yesterday. I restarted lightspeed but no use. Please i need your help. I have 30 websites and all are down.

screenshoot. domain name ?

Server is up?

Yes. it’s up.

I restarted server through control panel and it fixed the issue. Thanks for your response.