NIS+ Domain Names
A fully qualified NIS+ domain name is formed from left to right, starting with the local domain and ending with the root domain:
doc.com. (root domain)
sales.doc.com. (subdomain)
intl.sales.doc.com. (a third level subdomain)
The first line above shows the name of the root domain. The root domain must always have at least two elements (labels) and must end in a dot. The last (right most) label may be anything you want, but in order to maintain Internet compatibility, the last element must be either an Internet organizational name (as shown below), or a two or three character geographic identifier such as .jp for Japan.
Table 2–4 Internet Organizational Domains|
Domain |
Purpose |
|---|---|
|
com |
Commercial organizations |
|
edu |
Educational institutions |
|
gov |
Government institutions |
|
mil |
Military groups |
|
net |
Major network support centers |
|
org |
Nonprofit organizations and others |
|
int |
International organizations |
The second and third lines above show the names of lower-level domains.
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