You are not being explicit in your question.
However I have several answers you might find useful :
Most ISP (internet service provider) have their own caching dns server to reduce network load.
If you need to find your particular DNS address: wiki.answers.com/Q/How_do_you_find_a_dns_server_address
If you need to find your particular IP address : right click your internet connection icon in the task bar: select "status": a box with 2 tabs will appear: the second tab is "support":
In this second tab is your IP Address.
This is an adress that serve for a company or an organisation in terms of internet sevices
Each server hub has its own address.
Lewis's Server has a website and address. However, the website transfers to an unrelated site and the address for Lewis's Server is unlisted and private.
The server address is the "IP" and you type it in the connecting to muiti servers box, and you join a minecraft server.
us.mineplex.com
The server address is rather an IP address or a domain name used to connect to a public server. Most servers end in the port *:25565
The ip to join a server.
a server address is basically a code that gets you to the server. i play on a server cald korecraft (my in game name is linkenup2bcool, i don't own the server though). the server address or ip is korecraft.com (it is still up, but might be down sometimes)
hypixel's server, i cant remember the exact address, but you can just google it
1224655
This is the address of the server. The address is either an IP address (e.g. 127.0.0.1) or a hostname (e.g. mc.example.com), possibly followed by a port number (e.g. :25565).
The Yogscasts server is private.....
DHCP server must be assigned a static IP address...On a Windows computer you can find out the IP address of the DHCP server that assigned your current IP address by opening a command prompt and typing "ipconfig /all".