I have a big problem

Hello ,
How are you all ??? I wish you are all so good and fine


I have a big problem

In this Site:
www.naruto-arena.com

There is a Chat Room

When I enter it , The Java Software swithes on

after that\\

in the chat room


these sentences came out to me:

Connecting...
Logging in...
-irc.nuu.cc- *** Looking up your hostname...
-irc.nuu.cc- *** Checking Ident
-irc.nuu.cc- *** Your forward and reverse DNS do not match, ignoring hostname.
-irc.nuu.cc- *** No Ident response
Error : Closing Link: 74.115.0.3 (Registration timed out)
Disconnected from irc.rizon.net


and after all


this happened:
Disconnected from irc.rizon.net


Why ???


What is the problem


I entered it some days before , but afew days before and today , I can't enter it why ????


What is the problem and how can i mend it ???