Just in case someone is interested. shared back the result:
"We believe it is local data center/server problem, which has resolved. we do not find anything wrong on our side.
license has been updated. litespeed is running. "
We changed nothing on your server other than restarting LiteSpeed. It was your local/datacenter issue blocking inbound packages from our license server since your server can outbound reach one of our license servers without any problem.