Connection error connecting from another computer

ok sir, i understood

Ok let me know exact process

i have corporateranking.com domain name . When i install open fire i have already added XMPP domain corporateranking.com and chat.corporateranking.com add ed in FQDN server

but you have wriiten, i didn’t get

And you also would need A record pointing chat.elizondointranet.com to 192.1.2.99

What is this 192.1.2.99?

how to point this one

After successfully add all these things
Then SRV record have to add in DNS pannel

is it right to add in my dns PANNEl

_xmpp-client._tcp. corporateranking.com. 86400 IN SRV 0 5 5222 chat.corporateranking.com

And how to open Open fire instead of localpath http://192.168.2.190:9090/index.jsp
i want to live path , how to get