A List of Suffixes on WEB URL's
 

.ac.uk   - an Academic establishment in U.K
.com     - an American address (usually)
.co.uk   - a British address
.edu     - a US academic establishment
.gov     - a government department
.ltd     - a UK limited company
.mil     - a Military site
.mod     - UK Ministry of Defence
.nato    - a NATO installation
.net     - an Internet Service Provider
.org     - a non-commercial organisation
.police  - Police
.sch     - School Web Site