Have you ever wondered where a site was coming from...or an email? If you see these letters in an extension, usually before and/or after a dot, the site or email addy will be from this country. Of course, servers do not have to use these codes...this is just a guide.
| CODE | COUNTRY |
| au | Australia |
| ca | Canada |
| ch | Switzerland |
| de | Germany |
| fr | France |
| jp | Japan |
| mx | Mexico |
| ru | Russia |
| uk | United Kingdom |
| us | United States |

Have you ever wondered what .com or .org meant? Here are some of the most common extensions used on the net and what they stand for.
| CODE | MEANING |
|---|---|
| .com | Commercial organization |
| .edu | Educational institutions |
| .gov | Government organizations |
| .mil | Military organizations |
| .net | Network organizations |
| .org | Organizations...usually non-profit |
