I think there is 3.
top-level domains
top-level domains
Currently the most used system for biological classification has Domains at the highest level. The Domains are three: Bacteria, Archaea and Eukarya.
List of Internet top-level domains: http://en.wikipedia.org/wiki/List_of_Internet_top-level_domains
its Native
No, in biological classification, Kingdom is a higher level of classification than Domain. Domains represent the highest level of biological classification, which can be further divided into kingdoms.
on the show Webster what did he use to get from upper level to lower level
verisign Inc, owns root nameserver for the .com, .net, and .name generic top-level domains and the .cc and .tv country-code top-level domains. http://www.verisign.com
Domains of Darkover has 254 pages.
Two main domains in taxonomy are Bacteria (bacteria and archaea) and Eukarya (plants, animals, fungi, protists). These domains represent the highest level of classification in the tree of life.
There are so many domains of life there are three
ICANN, or the Internet Corporation for Assigned Names and Numbers is the group that assigns top level domains. It is a private corporation overseen by several regulatory agencies.