can anyone explain to me what the .com.net.org or whatever mean;example:johny3@yahoo.com
johny3 is the name of the personn.ok?
yahoo is it the name of a server????? this i need to know
.com " " " " of what a server?? " " " " also
and where i can find a list of this .com,.net.org.etc...
thank you.

Domain name - Domain names are the alphabetic names used to refer to computers on the Internet. A Web site address, including a suffix such as .com, .org, .gov, or .edu. The suffix indicates what type of organization is hosting the site.

com - Originally stood for "commercial," to indicate a site that could be used for private, commercial purposes, but now the best well known top level domain, and used for a wide variety of sites
net - Originally intended for site related to the Internet itself, but now used for a wide variety of sites
edu - Use for educational institutions like universities
org - Originally intended for non-commercial "organizations," but organizations now used for a wide variety of sites
gov - Used for US Government sites
mil - Used for US Military sites
int - Used by "International" sites, usually NATO sites

Outside the US, domains indicate country: ca (Canada), uk (United Kingdom), au (Australia), jp (Japan), fr (France), etc.


Commonly used domain names

Domain names

glossary of internet definitions